Subaru of America, Inc.
Title Sponsor of the
2005 Annual Meeting

View Abstracts & Session Schedule

Topical Sessions

Invited and Volunteered Papers

These sessions are topically focused with a mix of invited and volunteered papers. Sessions are designed to promote the exchange of interdisciplinary, state-of-the-art information.

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T1. Centennial Celebration Symposia for the Society of Economic Geologists
Society of Economic Geologists
Brian Hoal
This session will present speakers from the 100th Anniversary Volume of the Society of Economic Geologists. Oral.
Economic Geology; Petrology, Igneous; Tectonics
T2. Advances in Geophysics and New Techniques: Lithospheric and Crustal Architecture, Ore Deposit Visualization, and New Technologies in Analytical Techniques and Mineral Processing
Society of Economic Geologists
Joe Inman, Ricardo D. Presnell, Karin O. Hoal
This session will present advances in our understanding of the architecture of the crust and lithosphere from imaging of geophysical and various other datasets and their application and implication to ore deposit formation. Oral.
Economic Geology; Geophysics/Tectonophysics/Seismology; Remote Sensing/Geographic Info System
T3. Advances in the Understanding of Tectonic Settings and Structural Control of Ore Deposits
Society of Economic Geologists
John F. Thompson
This session will present advances in our understanding of the tectonic setting and structural control of ore deposits. Oral.
Economic Geology; Tectonics; Structural Geology
T4. Sources of Porphyry Copper Deposits: Magmas, Metals, and Fluids
Society of Economic Geologists
Jeff Hedenquist, Ricardo D. Presnell
This session will provide a forum for the presentation of new data on igneous rocks, fluid chemistry, and genesis from porphyry copper deposits. Oral.
Economic Geology; Petrology, Igneous; Geochemistry Other
T5. The Evolving Earth: Implications for Ore Deposit Formation, Evolution, and Benefaction
Society of Economic Geologists
Murray Hitzman
This session will explore the relationship between ore deposit formation and the evolution of the earth. Oral.
Economic Geology; Tectonics; Precambrian Geology
T6. Borates, Uranium, Mineral Sands and Bulk Commodities: Deposit Models, Processes, and Descriptions
Society of Economic Geologists
Ricardo D. Presnell
This session will provide a forum for the presentation of deposit models, processes, and descriptions of non-metallic bulk commodities such as borates, uranium, mineral sands, iron-ore, coal, and other industrial minerals. Oral.
Economic Geology; Limnogeology; Coal Geology
T7. A Tribute to Hans-Olaf Pfannkuch: From Darcy to the Modern World of Environmental and Contaminant Hydrogeology
GSA Hydrogeology Division; American Institute of Hydrology; Minnesota Ground Water Association
E. Calvin Alexander Jr, Martin O. Saar
Hans-Olaf Pfannkuch and his students have had a large impact on the application of hydrogeologic tools in Minnesota and the United States. Presentations will cover the history, present, and future of environmental and contaminant hydrogeology. Oral.
Hydrogeology; Environmental Geoscience; History of Geology
T8. Artificial Recharge of Groundwater — Hydrogeologic Characterization and Implementation
GSA Hydrogeology Division
Hugh A. Hurlow, Mike Lowe, Marek Matyjasik
Topics include the role of geologic, geophysical, and hydrologic characterization in the design and function of artificial recharge projects, and use of artificial recharge as a tool for the conjunctive management of water resources. Oral and Posters.
Hydrogeology; Environmental Geoscience; Public Policy
T9. Bedrock Infiltration: Advances in Understanding Vadose-zone Processes, Percolation through Macropores and Shallow Soils, and Recharge to Consolidated-rock Aquifers
International Association of Hydrogeologists; GSA Hydrogeology Division
Victor M. Heilweil, Lorraine E. Flint
This session focuses on understanding bedrock infiltration and recharge in a variety of climates and geologic settings. We encourage papers on field studies, macropore flow, soil physics, plant dynamics, contaminant transport, environmental tracers, and modeling. Oral.
Hydrogeology; Geochemistry Aqueous; Geophysics/Tectonophysics/Seismology
T10. Chemistry, Ecology, and Groundwater Hydrology of Lakes, Streams, Playas, and Springs: Observations at the Interface
GSA Hydrogeology Division; GSA Limnogeology Division; GSA Geobiology and Geomicrobiology Division
Alison J. Smith, Donald Rosenberry, Emi Ito
This session will highlight the many ways in which mixing of surface water and groundwater provides a unique ecological niche and generates chemical reactions that modify the hydrochemical budget and sediment record of many surface water bodies. Oral and Posters.
Limnogeology; Geochemistry Aqueous; Geomicrobiology
T11. Dissolution, Precipitation, and Redox Reaction Kinetics in Aquifers
GSA Hydrogeology Division; Geochemical Society; GSA Geobiology and Geomicrobiology Division
Chen Zhu, Mark Person, Niel Plummer
Aquifers are major sites of water-rock interactions, and reaction rates in aquifers are important to many geological and environmental problems. We encourage papers in field, laboratory, and modeling studies of groundwater systems. Oral.
Geochemistry Aqueous; Hydrogeology; Environmental Geoscience
T12. Environmental Issues Related to Oil and Gas Exploration and Production
GSA Hydrogeology Division; International Association of GeoChemistry [IAGC]
Yousif K. Kharaka, James K. Otton
Papers on past and present impacts to soil, water, and ecosystems caused by exploration and production of petroleum and coal-bed methane. We seek general presentations, case histories, and new methodologies that minimize impacts and improve site remediation. Oral and Posters.
Hydrogeology; Environmental Geoscience; Geochemistry Aqueous
T13. Fault Zone Controls on Fluid Movement, Earth Resources and Processes: Perspectives from Field, Laboratory, and Modeling Studies
GSA Hydrogeology Division; GSA Structural Geology and Tectonics Division; GSA Geophysics Division
Victor F. Bense, Jonathan Caine
This session is intended to bring together people from diverse disciplines (e.g., groundwater hydrologists, geologists, petroleum engineers, numerical modelers) who face similar challenges in the geological characterization of fault zones and their impacts on fluid flow in the Earth's upper crust. Oral and Posters.
Hydrogeology; Structural Geology; Geophysics/Tectonophysics/Seismology
T14. Flowpaths Integrating Terrestrial and Aquatic Components of Catchment Ecosystems
GSA Hydrogeology Division; GSA Geobiology and Geomicrobiology Division
Madeline E. Schreiber, H. Maurice Valett
Hydrologic and biogeochemical flowpaths connect terrestrial and aquatic environments and play important roles on the function of catchment ecosystems. Presentations on the role of these flowpaths in both natural and engineered settings are encouraged. Oral.
Hydrogeology; Geochemistry Aqueous; Geomicrobiology
T15. Groundwater Quality and Quantity Interconnections: The Effects of Natural and Anthropogenic Contamination on Groundwater Availability
GSA Hydrogeology Division; National Ground Water Association/Association of Ground Water Scientists and Engineers
Michael J. Moran, Vicki Kretsinger
This session will focus on the interconnections between groundwater quality and quantity including the effect that quality can have on the volume of groundwater that is effectively available for present and future human and ecological needs. Oral.
Hydrogeology; Environmental Geoscience; Geochemistry Aqueous
T16. Hydrogeology and Climate Change: Insights from the Past
GSA Hydrogeology Division
Vicki Remenda, Mark Austin Person
Groundwater flow systems can respond to climate change on time scales of decades to millennia. This session focuses on isotopic, sedimentological, and geochemical evidence for Holocene and Pleistocene hydrogeologic change within watersheds and sedimentary basins. Oral and Posters.
Hydrogeology; Limnogeology; Quaternary Geology
T17. Identification, Quantification, and Simulation of Contaminant Exchange at the Atmosphere and Land Interface
GSA Hydrogeology Division
William Blanford, Thomas Boving
The exchange mechanisms for contaminants between atmosphere and land are poorly understood. This session seeks to showcase research on these processes for a variety of contaminants that occur over a wide range of scales. Oral.
Geochemistry Aqueous; Hydrogeology; Limnogeology
T18. Innovations and New Frontiers in Hydrologic Modeling
GSA Hydrogeology Division; National Ground Water Association; International Association of Hydrogeologists; GSA Engineering Geology Division
Frank W. Schwartz, Motomu Ibaraki
Models have grown from a mathematical curiosity to an indispensable tool for analysis of hydrologic systems. This session examines new developments in groundwater and hydrologic modeling, emphasizing innovations in theory, design, and data handling. Oral.
Hydrogeology; Limnogeology
T19. Innovative Methods of Estimating Recharge in Humid Climates
GSA Hydrogeology Division
Todd W. Rayne, Kenneth R. Bradbury, Randy J. Hunt
We encourage papers that focus on innovative methods of estimating recharge in humid climates and examples of potential problems with current recharge estimation methods. Oral.
Hydrogeology; Environmental Geoscience
T20. Innovative Monitoring and Modeling Techniques for Assessing the Performance of Passive Remediation Projects for Contaminated Water and Soil
GSA Hydrogeology Division
David Naftz, Christopher Fuller, Terry Snyder
Passive remediation methods offer low-cost alternatives to other methods for soil and water clean up. The success of these efforts is dependent on innovative techniques to monitor and assess long-term performance. This session will focus on recently developed laboratory, modeling, and monitoring techniques. Oral.
Hydrogeology; Environmental Geoscience; Geochemistry Aqueous
T21. Innovative Use of Natural and Artificial Tracers in Mountain Catchments Underlain by Fractured Rocks
GSA Hydrogeology Division; International Association of Hydrogeologists
Mike Wireman, Mark Williams
This session focuses on the use of natural and artificial tracers to characterize groundwater sources, flowpaths, residence times, and hydraulic connection to surface water beneath mountain catchments underlain by fractured rocks. Oral.
Hydrogeology
T22. Interactions of Groundwater and Surface Water at the Land-Sea Margin
GSA Hydrogeology Division
René M. Price, Jaye E. Cable
New research related to seawater intrusion, submarine groundwater discharge, and associated geochemical processes are encouraged. Papers discussing the provenance and quantification of geochemical constituents in groundwater flow at the land-sea margin are welcome. Oral.
Hydrogeology; Marine/Coastal Science; Geochemistry Aqueous
T23. Nano- To Field-scale Processes Governing the Transport of Microbes and Colloids in the Subsurface
GSA Hydrogeology Division
William P. Johnson, Joseph N. Ryan
This session highlights advances in understanding of nanoscale to field-scale controls (e.g. physical, geochemical, biological) on the transport of microbes (viruses, bacteria, and protozoa) and colloids in the subsurface. Oral and Posters.
Hydrogeology; Geochemistry Aqueous; Geomicrobiology
T24. Naturally Occurring Perchlorate (and other Oxyanions) in the Hydrologic Cycle — Origins, Accumulation, Transformations, and Transport
GSA Hydrogeology Division; GSA Geobiology and Geomicrobiology Division
David A. Stonestrom, Scott W. Tyler, Andrew W. Jackson
Advancing analytics are revealing the chemical, isotopic, and microbial systematics of naturally occurring oxyanions. All topics are welcome, including atmospheric reactions, deposition, accumulation, transport, microbial and chemical transformations, climatic and biologic shifts, and extraterrestrial occurrences. Oral and Posters.
Environmental Geoscience; Hydrogeology; Geomicrobiology
T25. Arsenic Occurrence and Fate in Hydrogeologic Systems
GSA Hydrogeology Division; Geochemical Society; GSA Geobiology and Geomicrobiology Division
Alan Fryar, Abhijit Mukherjee, Alan Welch
Because of its toxicity at low concentrations and its presence in a variety of geologic settings, arsenic is a contaminant of concern in groundwater. This session will encompass sources, mobility, and cycling of arsenic. Oral and Posters.
Hydrogeology; Geochemistry Aqueous; Geomicrobiology
T26. Quantifying Controls on Microbial Reaction Rates in Subsurface Environments
GSA Hydrogeology Division; National Ground Water Association; GSA Geobiology and Geomicrobiology Division
Barbara Bekins, Eric Roden, Gary P. Curtis
Accurate subsurface microbial reaction rates are central to modeling the fate of groundwater contaminants and quantifying global chemical cycles. We encourage studies investigating controls on subsurface microbial reaction rates by direct and proxy methods. Oral and Posters.
Hydrogeology; Geomicrobiology; Environmental Geoscience
T27. Seafloor Hydrogeology: Investigating Fluid Flow through the Oceanic Crust and Seafloor Sediments
GSA Hydrogeology Division
Jennifer D. Shosa, Lindsay B. Masters
This session will bring together hydrogeologists investigating fluid flow through the seafloor and will provide a forum for discussion about the nature of these systems and the effects of fluid flow on oceanic crust, seafloor sediments, and seawater chemistry. Oral.
Hydrogeology; Geochemistry Aqueous; Marine/Coastal Science
T28. Stream-Hyporheic Interactions: Hydrology, Geochemistry, and Biology
GSA Hydrogeology Division
Eric W. Peterson, Robert A. Payne
An interdisciplinary session designed to synthesize and expose concepts of hyporheic zone, focusing on the "exchange flows" that link the hydrology, geochemistry, and biology of the stream with the substrate the forms the hyporheic zone. Oral.
Hydrogeology; Geochemistry Aqueous; Quaternary Geology/Geomorphology
T29. Surface and Subsurface Geologic Characterization of the Edwards and Trinity Carbonate Aquifer Systems, Central Texas (Posters)
GSA Hydrogeology Division
Charles D. Blome, Geary M. Schindel
This multidisciplinary session will highlight the recent advances in characterizing the surface and subsurface geology (mapping, 3-D modeling, geophysics, and isotope geology) of the Edwards and Trinity aquifer systems of central Texas. Posters.
Hydrogeology; Structural Geology; Geophysics/Tectonophysics/Seismology
T30. The Hydrosystem of the Great Salt Lake Basin: New Frontiers for Observing and Modeling Human-impacted Hydrologic, Climatic, and Geomorphologic Processes
GSA Hydrogeology Division; American Geophysical Union
David Tarboton, Craig Forster, Christopher J. Duffy, Danny Marks
Observations and modeling of climatic, hydrologic, and geomorphologic processes impacted by human activity in the rapidly urbanizing Great Salt Lake Basin provides insight, and serves as a microcosm, for understanding hydrosystems of the modern West. Oral and Posters.
Hydrogeology; Paleoclimatology/Paleoceanography; Environmental Geoscience
T31. The Role of Colloids and Semicrystalline/Amorphous Materials in Environmental Cycling of Trace Elements
GSA Hydrogeology Division
Katherine Walton-Day, Lisa Stillings
Amorphous/semicrystalline materials composed of iron, aluminum, and manganese minerals help control trace metal(loid) cycling, transport, and mobility in environmental systems. We welcome presentations describing the nature of these materials and their interactions with trace metal(loid)s. Oral.
Geochemistry Aqueous; Environmental Geoscience; Geochemistry Other
T32. Water Resource Management and Planning for Fractured and Karstic Aquifers
GSA Hydrogeology Division
Todd Halihan, Maureen Muldoon, Stanley T. Paxton
Spatial heterogeneity and high-permeability of karstic and fractured aquifers make them exceedingly susceptible to contamination, challenging to characterize, and difficult to model and manage. This session brings together scientists and managers to discuss these issues. Oral.
Hydrogeology; Public Policy; Environmental Geoscience
T33. Water, Solute, and Sediment Fluxes through Carbonate and Karst Aquifers
GSA Hydrogeology Division; GSA Sedimentary Geology Division; Karst Waters Institute
Ira D. Sasowsky, Jonathan B. Martin
Includes field and theoretical studies of water, solute, and sediment movement through sinkholes, drip water, speleothems, matrix, fractures and conduits. Present and paleo-hydrology are appropriate. A holistic understanding is sought through varied approaches. Oral and Posters.
Hydrogeology; Quaternary Geology/Geomorphology; Sediments, Clastic
T34. Springs: Keys to Understanding Geochemical Processes in Aquifers
GSA Hydrogeology Division; International Association of Hydrogeologists; Karst Waters Institute
Brian G. Katz, Dorothy J. Vesper
Springs provide unique opportunities to study geochemical processes in aquifers in natural systems and those impacted by anthropogenic inputs. This session focuses on studies that use biogeochemical, hydrologic, and geophysical methods to characterize processes affecting spring-water chemistry. Oral and Posters.
Hydrogeology; Geochemistry Aqueous; Environmental Geoscience
T35. Riparian Corridors in Semi-Arid and Arid Environments: Results and Approaches of Integrative Studies in Support of Scientifically Based Management and Restoration, with Emphasis on the Great Basin
David Jewett, Mark Lord, Dru Germanoski
This session focuses on the results and approaches of integrative geomorphic, hydrologic, geophysical, stratigraphic, and/or ecological studies to characterize, understand, manage and/or restore riparian ecosystems in semiarid and arid environments. Oral and Posters.
Hydrogeology; Quaternary Geology/Geomorphology; Environmental Geoscience
T36. Debris Flows Initiated by Runoff and Erosion: Processes, Recognition, and Hazard Implications
GSA Engineering Geology Division
Jeffrey A. Coe, Susan H. Cannon
Runoff-generated debris flows impact many regions, but are poorly understood. Initiation processes and hazards from these debris flows are significantly different from landslide-mobilized debris flows. This session promotes a discussion of runoff-generated debris flows. Oral.
Engineering Geology; Geomorphology; Quaternary Geology/Geomorphology
T37. Debris-flow Processes, Stratigraphy, Geomorphology, and Societal Response
GSA Engineering Geology Division; GSA Geology and Society Division
Jeffrey R. Keaton, Richard E. Giraud, John D. Kiefer
Debris-flow processes produce distinctive stratigraphy, geomorphology, and source-area features. Debris-flow velocity and runout depend on slurry and channel characteristics. Societal response depends on hazard recognition and typically involves avoidance and engineered structures. Oral.
Engineering Geology; Environmental Geoscience; Geomorphology
T38. Drought Related Geologic Hazards: A Worldwide Perspective
GSA Engineering Geology Division
David C. Noe, L. Darlene Batatian
The initiation and behavior of geologic hazards during wet periods is well known, but what about during times of drought? This session considers a wide variety of geologic hazards caused or influenced by droughts. Oral and Posters.
Engineering Geology; Quaternary Geology; Geomorphology
T39. Exploring How Private Projects Affect Public Land
GSA Engineering Geology Division; GSA Geology and Society Division
Jerome V. DeGraff, Thomas J. Evans
The session will examine the policy and technical issues that arise from these pressures and the mandates of Federal agencies administering these lands. Oral.
Engineering Geology; Public Policy
T40. Genesis, Behavior, Mapping, and Treatment of Collapsible Soils
GSA Engineering Geology Division
Paul M. Santi, Jonathan L. White
Collapsible soils are widespread throughout arid climates and cause significant damage to structures built on them. This session will focus on identification and mapping methods, laboratory characterization, mitigation, and case studies of collapsible soils. Oral.
Engineering Geology; Quaternary Geology; Geomorphology
T41. Geologic Remote Sensing
GSA Engineering Geology Division
Vern Singhroy, Farouk El-Baz
This session will focus on the uses of integrated remote sensing (SAR, optical, thermal and hyperspectral sensors) for studies in geological mapping, mineral and hydrocarbon exploration and geohazard assessment. Particular emphasis will be placed on new developments in InSAR, hyperspectral, and data fusion techniques. Oral.
Remote Sensing/Geographic Info System
T42. Mine Rock Piles and Pyritically Altered Areas: Their Slope Stability and Effect on Water Quality
GSA Engineering Geology Division; Geochemical Society
Patrick Walsh, Kathleen S. Smith, Virginia T. McLemore
Presenters describe multidisciplinary characterization studies of mine rock piles, tailings dams, and naturally exposed alteration areas. Workers analyze the effects on nearby water quality and the stability of mine rock piles and hydrothermal alteration areas. Oral and Posters.
Hydrogeology; Engineering Geology; Geomicrobiology
T43. Recognition and Characterization of Neogene Faults
GSA Engineering Geology Division; GSA Structural Geology and Tectonics Division
Vincent S. Cronin, Keith A. Sverdrup
The death toll related to earthquakes since 1999 exceeds that of the previous decade. The importance of active-fault studies is self-evident. This forum includes the broad spectrum of efforts to find and characterize active faults. Oral and Posters.
Engineering Geology; Neotectonics/Paleoseismology; Geophysics/Tectonophysics/Seismology
T44. Seismogenic Landslides
GSA Engineering Geology Division
Thomas C. Badger
Both near- and far-field effects of earthquakes have included dramatic examples of slope instability. This session focuses on the distribution, characterization, and/or causal mechanisms of prehistoric and historic seismogenic landslides. Oral.
Engineering Geology; Neotectonics/Paleoseismology; Quaternary Geology/Geomorphology
T45. What Goes up Must Come Down: The Science and Policy of Dam Removal
GSA Engineering Geology Division; Geology and Public Policy Committee
John F. Bratton, Walter Barnhardt
About 200 of the 2.5 million dams in the U.S. have been removed since 1999, with more planned. The geoscience and public policy frameworks for this boom of dam busting are trying to keep pace. Oral.
Environmental Geoscience; Geomorphology; Public Policy
T46. Conservation and Management of Global Geoheritage Resources: Regional and Local Sites
GSA Geology and Society Division; GSA International Division; National Park Service; Geology and Public Policy Committee
John D. Kiefer, Robert D. Higgins, Maurice J. Terman
A companion to the session "Conservation and Management of Global Geoheritage Resources," with its international perspective, this session will explore outstanding examples of protecting and maintaining geoheritage or geopark sites at local and regional levels. Oral and Posters.
Public Policy; Environmental Geoscience; Geoscience Education
T48. Geology in the National Forests — Stewardship, Education, and Research
Joseph Gurrieri, Andrew H. Rorick
Papers are encouraged on geoscience-related studies or activities conducted in the National Forests. Topics include but are not limited to paleontology, cave and karst geology, engineering geology and natural hazard mitigation, hydrogeology, interpretive and recreational geology, and geoscience education. Oral.
Geoscience Information/Communication; Environmental Geoscience; Geoscience Education
T49. Geology in the National Parks: Research, Mapping, and Resource Management
National Park Service
Bruce A. Heise, Jim Wood, Tim Connors
This session will address the role of geoscience in the National Parks. Presentations are encouraged on geologic research, geologic mapping, paleontology, coastal geology, glacier studies, and resource management in National Parks, Monuments, Seashores, and Historic Sites. Oral and Posters.
Geoscience Education; Remote Sensing/Geographic Info System; Environmental Geoscience
T50. Geology of Parks and Public Lands: Effective and Innovative Informal Earth Science Education for the Masses
National Park Service; Bureau of Land Management; Association of Earth Science Editors
Marion Malinowski, Monica Gaiswinkler Easton, Jim F. Wood
This session will explore programs and products (e.g., displays, publications, signs, Web sites, virtual and real field trips) for effective informal earth science education about the geology of parks, monuments, open spaces, and public lands. Oral and Posters.
Geoscience Information/Communication; Geoscience Education
T51. Investigation of Sources and Fates of Anthropogenic Inputs to the Environment through Isotopic Systematics
P. Evan Dresel, John N. Christensen
Isotopic studies can provide valuable information on the sources and fate of contaminants and of other anthropogenic compounds. This session will highlight novel application of isotopic geochemistry and biogeochemistry to understanding human impacts on the environment. Oral and Posters.
Environmental Geoscience; Geochemistry Other; Hydrogeology
T52. Sources, Transport, Fate, and Toxicology of Trace Elements in the Environment
International Association of GeoChemistry
LeeAnn Munk, David Long, W. Berry Lyons
Papers are welcome on the study of trace elements in the environment related to sources, transport, controls on mobility, toxicological consequences, ecology (e.g., food web dynamics, as limiting nutrients) and accumulation in sediments and soils. Oral.
Geochemistry Aqueous; Environmental Geoscience; Geomicrobiology
T53. The Changing Planet: A Special Tribute Session Celebrating the Contributions of Fred T. Mackenzie
Rolf S. Arvidson, Albert S. Colman, John W. Morse
This multidisciplinary session will include past and future biogeochemical cycles, coupled experimental and field observations of mineral-fluid interaction with implications for ancient and modern systems, and impact of modern activities on atmosphere and ocean chemistry. Oral.
Environmental Geoscience; Geochemistry Aqueous; Marine/Coastal Science
T54. This Changing Planet: Explaining Geologic Hazards to the Media, Policy Makers, and the General Public
GSA Engineering Geology Division; GSA Geology and Society Division; Association of Earth Science Editors; National Park Service; Geology and Public Policy Committee
Monica Gaiswinkler Easton, Diane E. Lane, Robert D. Higgins
Scientists need to explain volcanoes, earthquakes, tsunamis, landslides, and hydrothermal features, as well as swelling clays, radon, and asbestos, among others. This session will focus on successfully communicating information on geologic hazards to nonscientists. Oral and Posters.
Geoscience Information/Communication; Public Policy; Environmental Geoscience
T55. Advances and Applications of Tephrochronology and Tephrostratigraphy: In Honor of Andrei M. Sarna-Wojcicki
GSA Quaternary Geology and Geomorphology Division
Janet L. Slate, Jeffrey R. Knott, Michael E. Perkins
Tephra layers provide time-stratigraphic markers that enable regional correlations for geologic mapping and studies of climate change, geologic hazards, and Neogene stratigraphy. This session honors Andrei Sarna-Wojcicki, a pioneer in the field of tephrochronology. Oral.
Quaternary Geology/Geomorphology; Paleoclimatology/Paleoceanography; Neotectonics/Paleoseismology
T56. Carving the Western Landscape: The Evolution of the Colorado Drainage from Source to Sink
GSA Quaternary Geology and Geomorphology Division
Joel L. Pederson, Kyle House
New research is providing answers and raising more questions about the integration and erosion of the Colorado drainage. This session brings together old and new work to revise the history of this famous landscape. Oral and Posters.
Quaternary Geology/Geomorphology; Sediments, Clastic; Tectonics
T57. Paleoenvironmental Records in and around the Bonneville Basin: From Glacial/Interglacial Cycles to Anthropogenic Impacts
GSA Limnogeology Division; GSA Quaternary Geology and Geomorphology Division; GSA Archaeological Geology Division
Joseph G. Rosenbaum, Katrina A. Moser
The session focuses on the drivers of environmental change (e.g., climate, tectonics, man) and their impacts on land surface, hydrology, and aquatic systems from all types of deposits (e.g., sediments, shorelines, fluvial and glacial deposits, soils, middens, tree-rings). Oral and Posters.
Paleoclimatology/Paleoceanography; Quaternary Geology/Geomorphology; Limnogeology
T58. Recent Advances in Numerical Dating Techniques for Developing Quantitative Chronostratigraphies in Arid and Semi-Arid Environments
INQUA [International Union for Quaternary Research]: Working Group on Dryland Dating
Lewis A. Owen, Ashok Singhvi
Advances in numerical dating techniques, including OSL, ESR, SED and U-series dating, will be presented to provide new results on the chronologies and the nature of Quaternary paleoenvironmental change and landscape evolution for dryland regions. Oral and Posters.
Quaternary Geology/Geomorphology; Stratigraphy; Paleoclimatology/Paleoceanography
T59. The 2004 – 2005 Eruption of Mount St. Helens: New Insights and Hazard Management of an Extraordinary Dacitic Dome-Growth Eruption (Posters)
GSA Quaternary Geology and Geomorphology Division; GSA Geophysics Division; GSA Engineering Geology Division
Cynthia Gardner, Jon Major
The 2004 – 2005 eruption of Mount St. Helens afforded unprecedented documentation of uncommonly rapid, steady-state growth of a lava dome. This session explores connections among petrology, geodesy, geochemistry, seismicity, mechanics, hydrology, hazard management, and public communication associated with dacitic dome growth. Posters.
Volcanology; Geophysics/Tectonophysics/Seismology; Geoscience Information/Communication
T60. Dendrogeology: Geologic Applications of Tree-Ring Studies
GSA Archaeological Geology Division
Gregg R. Davidson
Tree-ring studies have a wide ranging role in geologic studies. Topics may include tree rings as indicators of past conditions or as evidence of the influence the trees themselves have exerted on their environment. Oral.
Environmental Geoscience; Hydrogeology; Geochemistry Other
T61. Glacial Geology and Lake Sedimentology: In Memory of Geoffrey O. Seltzer
GSA Limnogeology Division
Donald T. Rodbell, Jacqueline A. Smith
This session honors the scientific legacy of Geoff Seltzer. We seek papers that summarize records of environmental change based on glacial geology and lake sediment cores, especially from South America, Central America, and Alaska. Oral.
Quaternary Geology; Geomicrobiology; Limnogeology
T62. Ice Free versus Cold-Based Ice: Cosmogenic Nuclides, Trimlines, and Ice Sheet History of Differentially Weathered Landscapes
GSA Quaternary Geology and Geomorphology Division
Jason P. Briner, Michael R. Kaplan
The interpretation of weathering zones and trimlines in differentially weathered landscapes has been debated for decades. This session solicits papers that address our current understanding of ice sheet history in these ubiquitous landscapes. Oral.
Quaternary Geology; Geomorphology; Paleoclimatology/Paleoceanography
T63. Timing and Nature of Mountain Glacier Advances throughout the Last Glacial Cycle
Mountain Glacier Working Group, International Quaternary Union
Glenn D. Thackray, Lewis A. Owen
Mountain glacier fluctuations were spatially and temporally variable during the last glacial cycle, ca. 125 – 10 ka. Talks in this session will explore variability in the extent and chronology of glaciation and the paleoclimatic implications thereof. Oral and Posters.
Quaternary Geology; Geomorphology; Paleoclimatology/Paleoceanography
T64. Comparative Carbonate Sedimentology: A Tribute to the Career of R.N. Ginsburg
GSA Sedimentary Geology Division
Peter Swart, Gregor Eberli
This session is a tribute to the pioneering work of Robert N. Ginsburg in studying the modern environment as an analogue for the ancient. The session will illustrate the impact of comparative sedimentology on our understanding of depositional systems. Oral and Posters.
Sediments, Carbonates; Environmental Geoscience; Stratigraphy
T65. Establishment of an Integrated and Calibrated Chronostratigraphic Framework for High Resolution Sequence Stratigraphic Analysis, Stratal Correlation, and Sedimentary Basin Geohistory Reconstruction
GSA Sedimentary Geology Division
Ernest A. Mancini
This session will focus on the concepts, disciplines, methods, techniques, and tools required to establish an integrated and calibrated chronostratigraphic framework for high resolution sequence stratigraphic analysis, stratal correlation, and sedimentary basin geohistory reconstruction. Oral.
Stratigraphy; Sediments, Carbonates; Sediments, Clastic
T66. Petrographic Methods Applied to Sedimentary Rocks: To Celebrate the 80th Birthday of Bob Folk
GSA Sedimentary Geology Division; Society for Sedimentary Geology [SEPM]
Kitty Milliken, F. Leo Lynch
This session, celebrating the 80th birthday of noted sedimentary petrologist and teacher, Bob Folk, is devoted to the technologies available for 'looking at rocks'. Abstracts are encouraged to showcase any petrographic method applied to sedimentary systems. Oral and Posters.
Sediments, Carbonates; Sediments, Clastic; Mineralogy/Crystallography
T67. Reading the Record of the Rocks: Resolving the Tectonic and Eustatic Signals in Stratigraphic Successions: In Honor of Don Swift on his 70th Birthday
Society for Sedimentary Geology [SEPM]
Nora Noffke, Donald J. P. Swift
Resolving the eustatic and tectonic signals of sedimentary successions is central goal of stratigraphers. Growing concern with global environmental problems has lead to renewed interest in the eustatic-tectonic signals that serve as indicators for biotic and climatic components. Oral.
Stratigraphy; Geophysics/Tectonophysics/Seismology; Marine/Coastal Science
T68. Recent Advances in the Application of Sedimentology and Stratigraphy to Tectonic Problems
GSA Sedimentary Geology Division; GSA Structural Geology and Tectonics Division
David Barbeau, Andrew Leier
This session explores recent advances in tectonics and sedimentation research across a wide range of spatial and temporal scales, including studies of basin architecture, growth strata, active tectonics, and the composition of syntectonic sediments. Oral and Posters.
Tectonics; Stratigraphy; Geochemistry Other
T69. Refining the Global Neoproterozoic Geologic Record
GSA Sedimentary Geology Division; GSA Geobiology and Geomicrobiology Division
Carol M. Dehler, Paul K. Link, Frank A. Corsetti
Emerging and existing datasets will be explored in the context of bio-, chrono-, litho- and chemostratigraphy, correlation, and basin analysis toward understanding climatic, tectonic, and biogeochemical evolution of the Neoproterozoic Earth System. Oral and Posters.
Precambrian Geology; Stratigraphy; Geochemistry Other
T70. Resolving the Late Paleozoic Gondwanan Ice Age in Time and Space: Integration of Southern and Northern Hemisphere Records
GSA Sedimentary Geology Division
C.R. Fielding, T.D. Frank, J.L. Isbell
This session aims to bring together stratigraphers, sedimentologists, and geochemists who are working on the climate record of the Carboniferous and Permian systems worldwide. Emphasis will be placed on integrating geochemical with lithostratigraphic archives. Oral.
Stratigraphy; Sediments, Clastic; Sediments, Carbonates
T71. Sedimentary Basins in Transition: Stratigraphic and Structural Records of Plate Tectonic Reconfiguration (Posters)
GSA Sedimentary Geology Division
Cari L. Johnson, Kenneth Ridgway
This session features case studies of sedimentary basins that record fundamental changes in tectonic setting over time, such as shifting plate boundary configurations or multiphase reactivation of structures in intraplate settings. Posters.
Tectonics; Stratigraphy; Structural Geology
T72. Sedimentology Goes to Mars
GSA Planetary Geology Division; GSA Sedimentary Geology Division
R. Aileen Yingst, Kenneth Edgett
Like Earth, Mars has a sedimentary record, one that continues today. This session will review and explore the state of Martian sedimentology revealed by recent missions and the science to be addressed by future missions. Oral and Posters.
Planetary Geology; Sediments, Clastic
T73. Sedimentology, Stratigraphy, and Paleontology of Southern Utah Public Lands
Robert L. Eves, Larry E. Davis
Public lands in southern Utah have become the focus of geologic research in the past decade. Geologic investigations are due to new land designations and an interest in resource identification and management by federal agencies. Oral.
Sediments, Clastic; Stratigraphy; Paleontology/Paleobotany
T74. Waves of Destruction: Historical and Geological Records of Tsunamis and their Effects (Posters)
GSA Sedimentary Geology Division
Joanne Bourgeois, R. Heather Macdonald
Geoscientists who have surveyed effects of the 2004 tsunami and older events are encouraged to prepare posters and video presentations illustrating their results — geological, biological and societal impacts. Posters.
Marine/Coastal Science; Neotectonics/Paleoseismology; Public Policy
T75. Weathering, Sedimentation, and Diagenesis in Major Element Cycles
GSA Sedimentary Geology Division
Robert A. Berner, Miriam Kastner, Abraham Lerman
This session in memory of Raymomd Siever, on weathering, sedimentation, and diagenesis in major element cycles, will highlight the breadth of Ray Siever's significant contributions to this broad field. The origin, evolution, and secular changes in sediments will also be emphasized. Oral.
Geochemistry Other; Environmental Geoscience; Geochemistry Aqueous
T76. The Bureau of Land Management's National Landscape Conservation System as Outdoor Laboratories: New Research in Grand Staircase – Escalante National Monument and the Surrounding Area
Alan L. Titus, John D. Powell
The session is to highlight recent geological research within Grand Staircase – Escalante National Monument and surrounding area. Potential topics are limited only by the regional context and all submissions are welcome. Oral.
Stratigraphy; Structural Geology; Sediments, Clastic
T77. Advances and Applications with the Fossil Record of Non-Marine Arthropods (Paleogeoarthropods: Insecta, Chelicerata, Myriapoda, some Crustacea) for Geoscientists and Biologists
Paleontological Society; GSA Geobiology and Geomicrobiology Division; GSA Limnogeology Division
Cary R. Easterday, Sara H. Lubkin
Non-marine arthropods have represented the bulk of animal diversity and abundance for about 300 million years. Research with this vast fossil database has advanced our knowledge of biostratigraphy, paleobiogeography, biomechanics, paleoecology, and other fields. Oral.
Paleontology, Diversity, Extinction, Origination; Paleontology, Paleoecology/Taphonomy; Paleoclimatology/Paleoceanography
T78. Habitat Partitioning above, on and within the Substrate
Paleontological Society; GSA Geobiology and Geomicrobiology Division
A.A. Ekdale, Leif M. Tapanila
Dynamics and complexity of vertical tiering and lateral partitioning of habitat space of benthic communities in hard and soft substrates in modern environments and in the geologic record. Oral.
Paleontology, Paleoecology/Taphonomy; Paleontology, Diversity, Extinction, Origination; Paleontology/Paleobotany
T79. Jurassic Marine Paleobiology: Tracing the Roots of the Modern Biota
Paleontological Society
Carol M. Tang, Paul Taylor
During the Jurassic, many groups of organisms made their first appearances, establishing the modern fauna. This session will address the key changes that affected the evolution of marine communities and taxonomic groups during the Jurassic. Oral.
Paleontology/Paleobotany; Paleontology, Paleoecology/Taphonomy; Paleontology, Diversity, Extinction, Origination
T80. Paleoenvironments and Taphonomy of Cambrian Lagerstatten
Paleontological Society
Wayne Powell, Robert Gaines
This session will focus on aspects of the physical, chemical, and ecological environments associated with Burgess Shale – type deposits, and how these factors contributed to the preservation of fossils of soft-bodied organisms. Oral.
Paleontology, Paleoecology/Taphonomy; Sediments, Clastic; Geochemistry Other
T81. Protists in Extreme Environments: Fossil Evidence to Physiological Adaptations
Cushman Foundation; Paleontological Society
Pamela Hallock
Emerging and existing evidence for fossil and extant eucaryotic microorganisms in their environmental extremes, including morphological and physiological adaptations that enable their survival and proliferation. Oral.
Environmental Geoscience; Geomicrobiology; Paleontology, Paleoecology/Taphonomy
T82. Taphonomy: Process and Bias through Time
Paleontological Society
Peter A. Allison, David J. Bottjer
This session will focus on the extent to which taphonomic bias has changed through time in different environments. Oral.
Paleontology, Paleoecology/Taphonomy; Sediments, Carbonates; Paleontology, Diversity, Extinction, Origination
T83. The Dawn of Animal Life: Evolutionary and Paleoecological Patterns in the Neoproterozoic-Cambrian Animal Fossil Record
Paleontological Society; GSA Geobiology and Geomicrobiology Division
Stephen Q. Dornbos
This session will include a broad spectrum of studies on the evolution and paleoecology of early animals, providing a synthesis of the latest ideas and results in this rapidly changing field. Oral.
Paleontology, Paleoecology/Taphonomy; Paleontology, Diversity, Extinction, Origination
T84. Thinking about Fossils: The Emergence and Development of Paleontological Thought in North America from Native American Customs to the End of the Great Western Surveys
GSA History of Geology Division; History of Earth Sciences Society [HESS]; GSA Archaeological Geology Division; Paleontological Society; Society of Vertebrate Paleontology
Edward Rogers, Patrick Wyse Jackson
This session on the emergence and development of paleontological thought in North America will cover the period from Native American beliefs regarding fossils to ideas developed up to the end of the great government and institutional surveys of the western United States and Canada. Oral.
History of Geology; Paleontology/Paleobotany; Paleontology, Paleoecology/Taphonomy
T85. Traces of Life: Micro- to Macroscopic Evidence of Past and Present Biogenic Activity and their Implications
Paleontological Society; GSA Geobiology and Geomicrobiology Division
Stephen T. Hasiotis, Jennifer A. Roberts
Ichnofossils preserve a range of organism-substratum interactions that provide insights into physicochemical processes and behaviors of microbes to plants and animals. Submissions regarding neoichnologic-taphonomic actualistic studies, ichnodiversity, paleoenvironment, pedology, paleoecology, paleohydrology, and paleoclimate are welcomed. Oral and Posters.
Paleontology, Paleoecology/Taphonomy; Geomicrobiology; Paleontology/Paleobotany
T86. Collaboration for the Dissemination of Geologic Information among Colleagues
Geoscience Information Society
Adonna Fleming
This session focuses on cooperative projects and practices by faculty, students, government agencies, librarians, professional and trade organizations, or others, designed to disseminate information among the geologic community. Includes discussion of Web pages, guides, classes, workshops, digitization projects, or any other forum in which geological information was dispersed to colleagues. Oral and Posters.
Geoscience Information/Communication; Public Policy; Geoscience Education
T88. Does Geology Serve Society? Let's Count the Ways!
Geology and Society Division; Geology and Public Policy Committee; Critical Issues Caucus
Paul H. Reitan, A.R. (Pete) Palmer
Examples of geology being put to good use abound: protecting a community water supply, mitigating natural hazards, controlling erosion, finding and managing resources, reducing slope failure, informing legislation/education — you name it. Let's share successes. Oral.
Public Policy; Geoscience Information/Communication; Geoscience Education
T89. Efficient and Effective Practices in Using Web Sites and Technologies to Support and Manage Information, Student Learning and Recruitment, and Public Education
National Association of Geoscience Teachers
Christopher W. Thomas
Increasingly, student learning and recruitment and public education are supported by organizational or individual Web sites, Web technologies, and online courses. This explores successful implementations that increase student/public learning or make Web technologies usable, simple, and informative. Oral.
Geoscience Information/Communication; Geoscience Education; Remote Sensing/Geographic Info System
T90. From Rocks to Records: Geological Preservation for the Profession and the Public Good
GSA Geology and Society Division
Donald G. Mikulic, Joanne Kluessendorf
This session highlights the timeliness of preserving geological samples, data, and sites as new developments underscore their importance in meeting the modern needs of the geological profession and the general public. Oral.
Public Policy; Geoscience Information/Communication; Geoscience Education
T91. Geology and Art — Forever the Twain Shall Meet
Mary C. Simmons
Our species has engaged in equally endless practices of discovery and the production of art objects. This session will illustrate the specific scientific basis behind the production of the artwork; e.g. pigments, glass, ceramics, metals. Oral.
Geoscience Education
T92. Keys to Opportunities with the National Park Service
National Park Service; Geological Society of America; American Geological Institute; Association for Women Geoscientists
Judy Geniac, Gary Lewis, Ann Benbow, Marguerite Toscano
Examine lessons learned: accessing parks for research, developing partnerships, aiding or benefiting from projects, and finding volunteer and paid positions. Discover geoscience opportunities in national parks for professors, students, retirees, organizations, universities, companies. Oral.
Public Policy; Geoscience Information/Communication; Geoscience Education
T93. The National Geologic Map Database (Posters)
U.S. Geological Survey; Association of American State Geologists
David Soller, Thomas M. Berg
The National Geologic Map Database (http://ngmdb.usgs.gov/) is a congressionally mandated effort. This session focuses on the collaborative USGS and state geological survey advances in digital mapping, standards (map symbolization, data model, science language), and map databases that are conducted under the aegis of, or in collaboration with, this project. Posters.
Geoscience Information/Communication
T94. Conservation and Management of Global Geoheritage Resources: A National Perspective
GSA International Division; GSA Geology and Society Division; National Park Service; Geology and Public Policy Committee
Robert D. Higgins, Maurice J. Terman, Jim Wood
This session will explore examples of managing geologic heritage resources and sites though national programs whose goals are in accordance with conservation and public enjoyment. Oral.
Public Policy
T95. Conservation and Management of Global Geoheritage Resources: International Perspectives
GSA International Division; GSA Geology and Society Division; National Park Service; U.S. Geological Survey; Geology and Public Policy Committee
Maurice J. Terman, John D. Kiefer, Robert Higgins
This session will introduce many more American geoscientists to the UNESCO Geoparks concept and thus stimulate broader discussion of how best to conserve and manage these resources increasingly threatened by burgeoning populations and economic constraints. Oral.
Public Policy; Geoscience Education; Geoscience Information/Communication
T96. Geological Monitoring in National Parks
National Park Service
Robert S. Young, Lisa Norby
There has been an increased recognition of the importance of geologic monitoring as national parks focus on science-based management. Presentations may include geologic monitoring protocols, results, or resource management implications. Oral and Posters.
Marine/Coastal Science; Geomorphology; Remote Sensing/Geographic Info System
T97. Innovation, Evaluation, and Best Practices in Informal Geoscience Education
National Association of Geoscience Teachers; GSA Geoscience Education Division; Association of Earth Science Editors
Robert M. Ross, Warren D. Allmon
Informal education reaches millions every year with potentially life-changing geoscience education. This session will feature best practices in informal geoscience education, for example innovative approaches, techniques for evaluation, and creation of partnerships with formal education. Oral.
Geoscience Education; Geoscience Information/Communication
T98. Innovations in Geological Mapping (Posters)
GSA Engineering Geology Division; GSA Geology and Society Division; GSA Hydrogeology Division; Geology and Public Policy Committee; Association of American State Geologists; GSA Quaternary Geology and Geomorphology Division
Richard C. Berg, Peter T. Lyttle, Harvey Thorleifson
Geological mapping is a key to environmental and water resource protection and management. This session will highlight innovative mapping products that are being used by an increasingly broad range of users. Posters.
Quaternary Geology/Geomorphology; Stratigraphy; Hydrogeology
T99. Imparting Hands-on Geological Education: Reaching out to Undergraduates and K – 12 Students (Posters)
Nazrul I. Khandaker, Stanley Schleifer
This session is intended to provide an opportunity for motivated and curious undergraduates and K – 12 students to present the results of their research to the geoscience community as a part of their early involvement in inquiry-based learning abilities. Posters.
Geoscience Education; Geoscience Information/Communication; Environmental Geoscience
T100. Integrating Research into Undergraduate Geoscience Coursework
National Association of Geoscience Teachers
C. Frederick Lohrengel, Robert L. Eves, Mark Colberg
Research as an integral part of undergraduate coursework is a rapidly growing trend. Share your successes, failures, and ideas for future growth directions with others. Oral.
Geoscience Education
T101. Interdisciplinary Education: Applications of GIS and the Infusion of Spatial Concepts Across the Curriculum
National Association of Geoscience Teachers
Richard B. Schultz, Mark R. Hafen, J. Christopher Haley
This interdisciplinary session, emphasizing the diverse applications of GIS and educational methodologies of spatial concept instruction, showcases broad and unique applications for GIS and creates an awareness for the infusion of spatial concepts across the educational curriculum. Oral and Posters.
Geoscience Education; Remote Sensing/Geographic Info System; Geoscience Information/Communication
T102. International Undergraduate Field Trips: Logistics, Challenges, and Successes
Timothy P. Flood, Nelson R. Ham
This session welcomes geoscience educators to share their experiences in leading undergraduate international field trips. The presenters will provide information to those who conduct such trips and those who wish to initiate such trips. Oral.
Geoscience Education
T103. Is it Science? Strategies for Addressing Creationism in the Classroom and the Community
National Association of Geoscience Teachers; GSA Geology and Society Division; Geology and Public Policy Committee; GSA Geoscience Education Division
Michael A. Phillips, Robert C. Thomas, Sheila M. Roberts
Creationists present their faith-based philosophy as scientifically rigorous and valid. This session will explore techniques for dealing with creationist challenges in the college classroom and present strategies for addressing efforts to add creationist content to K – 12 science curricula. Oral.
Geoscience Education; Public Policy; Geoscience Information/Communication
T104. It's About Time: Teaching the Temporal Aspects of Geoscience (Posters)
National Association of Geoscience Teachers; GSA Geoscience Education Division
R. Heather Macdonald, David W. Mogk, Barbara Tewksbury
Posters will demonstrate ways to enhance student understanding of all aspects of geologic time and its measurement (rates, recurrence intervals, predictions, dating techniques, teaching with temporal themes, research on learning about time). The one-abstract rule is waived for this session. Posters.
Geoscience Education
T105. Let's Rock Their World: Integrating Planetary Science Data into Undergraduate Geoscience Courses
GSA Planetary Geology Division; GSA Geoscience Education Division; On the Cutting Edge; National Association of Geoscience Teachers
Eric B. Grosfils, Barbara Tewksbury
This session will present examples of innovative ideas for effectively integrating planetary science data into a variety of types of undergraduate geology courses at both the introductory and upper level. Oral and Posters.
Planetary Geology; Geoscience Education
T106. Methods of Assessing Teaching and Learning in the Geosciences
National Association of Geoscience Teachers
David N. Steer, David A. McConnell, Katherine Owens
This session will focus on effective assessment of student learning and the impact on faculty teaching in the geosciences. Papers are solicited that discuss development, implementation, and research findings from assessment studies. Oral and Posters.
Geoscience Education
T107. Minorities, Women, and Persons with Disabilities in the Geosciences: Avenues to Success
Committee on Minorities and Women in the Geosciences
Marc A. Carrasco, Denise A. Battles
This session will highlight what resources (personal and financial) are available to minorities, women, and persons with disabilities in the geosciences and explore new and existing programs to enhance their representation. Oral and Posters.
Geoscience Education; Geoscience Information/Communication; Public Policy
T108. Museum-College Connections: Rich Opportunities for Earth Science Education (Posters)
National Association of Geoscience Teachers
Eleanor Miele, Maritza Macdonald, Wayne Powell
This session will profile how partnerships between museums and colleges have improved earth science education and provide blueprints for how other institutions might build similar productive educational teams. Posters.
Geoscience Education
T110. REU at 25: Its Impact on Undergraduate Geoscience Education
National Association of Geoscience Teachers; Council on Undergraduate Research, Geoscience Division
Jeffrey G. Ryan, Lori Bettison-Varga, Laura Guertin
In celebration of 25 years of the National Science Foundation-Research Experiences for Undergraduates (NSF-REU program, this session will highlight geoscience REU initiatives, examine best practices for research with undergraduates, and assess the role of REU in geoscience Bachelor's degree programs today. Oral and Posters.
Geoscience Education; Geoscience Information/Communication
T111. Sigma Gamma Epsilon Student Research (Posters)
Sigma Gamma Epsilon
Donald W. Neal, Charles Mankin
All students are welcome to present their research in any area of geology. Posters.
Environmental Geoscience
T112. Earthcaching — Educational Earth Science Geocaches that Link Public and other Lands with the General Public via a Web-based Adventure Game
Gary B. Lewis
Earthcaching is the educational earth science – based component of the geocaching game. It takes real sites and provides educational notes via the Web that visitors can use to discover some fascinating aspect of our planet. Oral.
Geoscience Education; Geoscience Information/Communication
T113. Strategies for Teaching Introductory Geoscience in Large Lecture Classes
National Association of Geoscience Teachers
Michelle L. Stoklosa, Karen Viskupic
This session will focus on strategies for teaching introductory geoscience to classes of 100+ students. Papers are solicited that illustrate effective or failed methods for improving any aspects of teaching/learning in large lecture classes. Oral and Posters.
Geoscience Education
T114. We Can Continue to Do Better: More Alternatives to the Same Old Lab Lecture Format in the College Classroom
GSA Geoscience Education Division; National Association of Geoscience Teachers
Elizabeth M. King, Dexter Perkins
There are many excellent alternative teaching tools rather than the standard lab-lecture format. Building on last year's successful theme session, this session will provide an opportunity to continue sharing innovative teaching styles across the discipline. Oral and Posters.
Geoscience Education
T115. Holocene Climate Change in Western North America: Spatial-Temporal Phasing of Climate Modes, Events, and Transitions
GSA Limnogeology Division; GSA Archaeological Geology Division
Matthew E. Kirby, Steve P. Lund, Larry V. Benson, Rob Negrini
This session will highlight recent advances in our knowledge of Holocene climate variability in western North America over annual to millennial scales from terrestrial environments, including the spatial and temporal phasing of climate modes, events, and transitions. Oral and Posters.
Limnogeology; Paleoclimatology/Paleoceanography; Quaternary Geology
T116. Causes and Effects of the Paleocene-Eocene Thermal Maximum and Other Paleogene Hyperthermal Events
GSA Limnogeology Division
Scott L. Wing
The Paleocene-Eocene Thermal Maximum is the best-documented geological example of sudden global warming and its effects on biotas. Authors in this session will report new results on the PETM and other, recently-discovered Paleogene hyperthermal events. Oral.
Paleoclimatology/Paleoceanography; Paleontology, Diversity, Extinction, Origination; Geochemistry Other
T117. Terrestrial and Extraterrestrial Environments for Microbial Survival
GSA Geobiology and Geomicrobiology Division
Stephen E. Grasby, Penny Morris, Susan Wentworth
The session will be dedicated to understanding the variety of microbial systems that have existed throughout geological time and how this may help us predict environments for survival in extraterrestrial systems. Oral.
Geomicrobiology
T118. The Peña Blanca Uranium District, Chihuahua: A Natural Analogue for the Transport of Radionuclides in a Nuclear Waste Repository in Unsaturated, Welded Tuff
Geology and Public Policy Committee
Ardyth M. Simmons, Patrick F. Dobson
Studies conducted at the Peña Blanca uranium district of Chihuahua, Mexico, address features and processes analogous to those anticipated in a Yucca Mountain, Nevada, waste repository and modeling predictions relevant to total system performance assessment. Oral.
Geochemistry Aqueous; Geochemistry Other; Hydrogeology
T119. Mercury in Coal: Origins to Emissions
GSA Coal Geology Division; GSA Geology and Society Division
Jeffrey C. Quick, Allan Kolker
New rules will limit mercury emissions from coal-fired electric utilities. We encourage presentations on mercury in modern mires, its distribution in fossil coal, behavior during beneficiation and combustion, control strategies, and atmospheric fate. Oral.
Coal Geology; Environmental Geoscience; Public Policy
T120. Experimental, Theoretical, Stable Isotope, and Predictive Studies of Sulfide Oxidation Processes in the Field and Laboratory
W.C. Pat Shanks, Robert R. Seal
Papers are welcome on experimental and modeling studies of inorganic and microbial oxidation of sulfides in mine waste and other settings, partitioning of metals among primary phases, secondary phases, aqueous environment, and use and calibration of light element and transition element stable isotopes to understand these processes. Oral.
Environmental Geoscience; Geochemistry Aqueous; Geomicrobiology
T121. Thermochronology: Techniques, Applications, and Interpretations
Todd A. Ehlers, Peter W. Reiners
Time-temperature histories of rocks from thermochronologic approaches provide unique constraints on a wide range of tectonic, geomorphic, magmatic, and other processes. This session will explore recent developments in analytical and interpretation techniques, and new applications using both high and low-temperature thermochronology. Oral and Posters.
Tectonics; Geomorphology; Geochemistry Other
T122. Dynamics of Metamorphic and Hydrothermal Processes: From Grain-Scale to Mountain Belt
John R. Bowman, C. Tom Foster
This session solicits field, analytical, and modeling studies that focus on the mechanisms, rates and timescales of crystal growth, mineral reaction, heat/mass transfer, and fluid fluxes in metamorphic and hydrothermal systems. Oral and Posters.
Petrology, Metamorphic; Mineralogy/Crystallography; Geochemistry Aqueous
T123. Mars Analogue Research and Instrument Field Testing
GSA Planetary Geology Division
John C. Armstrong, Luther Beegle, R. Glenn Sellar
This session will bring together those working with Mars analogue environments and remote sensing of terrestrial environments related to Mars with researchers performing new pre-flight instrument field tests. Oral.
Planetary Geology; Remote Sensing/Geographic Info System
T124. The Lunar Exploration Initiative: Current Science Knowledge and Future Exploration
GSA Planetary Geology Division
Ben Bussey, R. Aileen Yingst
This session will discuss opportunities afforded by the President's Lunar Exploration Initiative, the current state of lunar science, types of data to be acquired and how these will add to our understanding of the Moon. Oral.
Planetary Geology
T125. 4-D Evolution of the Continents: Integrated Solutions through Cyberinfrastructure
GSA Geophysics Division; GSA Structural Geology and Tectonics Division
A.K. Sinha, Robert D. Hatcher, G. Randy Keller
Several recent initiatives and programs are focused on studies of the 4-D evolution of continents. Answering key questions about continental tectonics requires highly integrated studies. Data and model integration through cyberinfrastructure facilitates scientific discovery. Oral and Posters.
Tectonics; Geophysics/Tectonophysics/Seismology; Structural Geology
T126. Accretionary Orogens in Space and Time
GSA Geophysics Division; International Lithosphere Program
Kent C. Condie, Peter A. Cawood, Alfred Kroner
This multidisciplinary session focuses on the origin and evolution of accretionary orogens through time. We encourage papers on tectonics, terrane accretion, juvenile crust production, seismology, changes in tectonic settings through time, and relationship to the supercontinent cycle. Oral and Posters.
Geophysics/Tectonophysics/Seismology; Precambrian Geology; Tectonics
T127. Geometry and Evolution of Extensional Basins and their Influence on Fluid Flow, Sedimentation, Seismicity, and Magmatism
GSA Geophysics Division; GSA Structural Geology and Tectonics Division
Victoria E. Langenheim, V.J.S. Grauch
We solicit papers that discuss how the geometry and evolution of extensional basins influence seismicity, fluid flow, magmatism, and sedimentation, particularly but not exclusively in the Basin and Range and Rio Grande Rift. Oral.
Tectonics; Geophysics/Tectonophysics/Seismology; Structural Geology
T128. Processes of Basin and Range Extension: An EarthScope Primer
GSA Geophysics Division; GSA Structural Geology and Tectonics Division
Dennis Harry, Craig H. Jones
Presentations on the geology, geophysics, geochemistry, and geodesy of the Basin and Range and its margins. Focus is on identifying and elucidating processes and problems that should be addressed by the EarthScope Program. Oral and Posters.
Geophysics/Tectonophysics/Seismology; Tectonics; Neotectonics/Paleoseismology
T129. The Yellowstone Hotspot: Its Influence on the Magmatic and Tectonic Evolution of the Western U.S.
GSA Geophysics Division; GSA Structural Geology and Tectonics Division
Robert B. Smith, Richard Carlson, John Shervais
This session seeks to integrate the volcanic and tectonic history with geochemical, geophysical, and field data to understand the evolution of this and other intra-continental hotspot systems. In conjunction with session T130. Oral.
Geophysics/Tectonophysics/Seismology; Volcanology; Tectonics
T130. The Yellowstone Hotspot: Integrated Field, Geochemical, and Geophysical Studies
GSA Geophysics Division; Geochemical Society
John Shervais, Victor Camp, Dennis J. Geist, Jonathan M.G. Glen
This session seeks to integrate the volcanic and tectonic history with geochemical, geophysical, and field data to understand the evolution of this and other intra-continental hotspot systems. In conjunction with session T129. Oral and Posters.
Petrology, Igneous; Geophysics/Tectonophysics/Seismology; Volcanology
T131. Geophysical Studies for Improving Management of Land, Water, Environment, and Hazards (Posters)
GSA Geophysics Division; GSA Hydrogeology Division; GSA Engineering Geology Division
V.J.S. Grauch, Dennis Harry
This session encourages geophysical and integrated studies that are likely to have short- or long-range impact on decisions regarding management of land use, water resources, water quality, environmental cleanup, or natural hazards. Posters.
Geophysics/Tectonophysics/Seismology; Hydrogeology; Engineering Geology
T132. High-Pressure Mineral Physics: To Honor Ho-Kwang Mao, Roebling Medalist
Mineralogical Society of America; Geophysical Laboratory of the Carnegie Institution of Washington and COMPRES; COnsortium for Materials Properties Research in Earth Sciences
William A. Bassett, Russell J. Hemley, Anne Hofmeister
This session to celebrate Ho-Kwang Mao's receipt of the Roebling Medal covers a broad spectrum of research in mineral physics. Areas that Dr. Mao pioneered will be highlighted along with their importance to all geology. Oral.
Mineralogy/Crystallography; Petrology, Experimental; Geophysics/Tectonophysics/Seismology
T133. Insights into the Raising of the Colorado Plateau
GSA Geophysics Division
Shari Kelley, Mousumi Roy
The latest ideas about the origin of the dramatic, incised landscape of the Colorado Plateau, particularly when and how this broad region came to stand at a modern elevation of ~1.9 km, will be presented. Oral.
Geophysics/Tectonophysics/Seismology; Tectonics; Quaternary Geology/Geomorphology
T134. Mesozoic and Cenozoic Crustal Evolution of Alaska and Western Canada (Posters)
Jeff Trop, Kenneth Ridgway, Peter Haeussler
This multidisciplinary session integrates new studies focused on processes responsible for crustal growth in Alaska and western Canada, including collisional deformation, terrane accretion, mountain building, magmatism, accretionary wedge development, and sedimentary basin formation. Posters.
Neotectonics/Paleoseismology; Tectonics; Geophysics/Tectonophysics/Seismology
T135. Orogenic Plateaus From Top to Bottom
GSA Structural Geology and Tectonics Division; GSA Geophysics Division; GSA Sedimentary Geology Division
Bradley D. Ritts, Brian K. Horton
Resolving the evolution of orogenic plateaus is fundamental to understanding continental mountain building and its effects on the global environment. This cross-disciplinary session will explore the growth and decay of modern and ancient plateaus using geophysics, numerical modeling, petrology, stratigraphy, structural geology, and geodesy. Oral and Posters.
Tectonics; Geophysics/Tectonophysics/Seismology; Stratigraphy
T136. Out of the Tethys: The Making of Asia
Rasoul Sorkhabi, Ezat Heydari
This multidisciplinary session examines how recent geoscientific studies have contributed to our understanding of Asian mountains, plateaus, and basins resulting from the birth and demise of Tethyan oceans and the collision of the Indian and Arabian plates with Asia. Oral and Posters.
Tectonics; Stratigraphy; Geophysics/Tectonophysics/Seismology
T137. The Backbone of America from Patagonia to Alaska: Plateau Uplift, Shallow Subduction, and Ridge Collision
GSA International Division
Mark Cloos, Suzanne Kay
This session is a precursor to the Backbone of the Americas Meeting in 2006. We seek presentations concerning tectonic and magmatic processes related to plateau uplift, shallow subduction, and ridge collision in either North or South America. Oral.
Tectonics; Petrology, Igneous; Geophysics/Tectonophysics/Seismology
T138. Tectonic Hazards of the SE Asian Region
GSA Structural Geology and Tectonics Division; GSA Geophysics Division
Ron Harris
The Sumatra megathrust earthquake of 2004 is one of the epic disasters of recorded history. This session will present the latest geological and geophysical research of the earthquake's source region and other potentially hazardous and densely populated seismic source regions in SE Asia. Oral and Posters.
Tectonics; Geophysics/Tectonophysics/Seismology; Structural Geology
T139. Tectonics in the Information Age: Large Datasets and Numerical Models in Solid Earth Science
GSA Geophysics Division
Christopher L. Andronicos, Aaron A. Velasco
We will bring together geologists and geophysicists to discuss the use and design of large high quality databases and numerical models focused on solving large-scale tectonic problems. Oral.
Tectonics; Geophysics/Tectonophysics/Seismology; Geoscience Information/Communication
T140. EarthScope: Challenges in Understanding the Heterogeneity of the Lithosphere
GSA Structural Geology and Tectonics Division; EarthScope National Office; GSA Geophysics Division
Rick Aster, Karl Karlstrom, Mike Williams
This session will discuss geologic and geophysical perspectives on vertical and lateral heterogeneity of the lithosphere and provide a forum for presentation of EarthScope results on the physical properties that control tectonic processes. Oral and Posters.
Tectonics; Geophysics/Tectonophysics/Seismology; Petrology, Metamorphic
T141. Geology and EarthScope
GSA Structural Geology and Tectonics Division; Integrated Solid Earth Sciences [ISES]; Mineralogical Society of America
David W. Mogk, Basil Tikoff, Michael Brown
EarthScope provides an unprecedented opportunity for integrated research from the Earth's surface to the lower mantle. This session provides numerous examples of how geoscientists can engage EarthScope for research and education and outreach. Oral.
Geophysics/Tectonophysics/Seismology; Tectonics; Structural Geology
T142. Controversies, Conundrums, and Innovative Approaches in Extensional Tectonics: A Tribute to Ernie Anderson
GSA Structural Geology and Tectonics Division
James E. Faulds, Robert G. Bohannon, Keith A. Howard, L. Sue Beard
This session honors Ernie Anderson, whose pioneering work on the highly extended Colorado River region 30 years ago and subsequent contributions inspired many to study extensional terranes. Contributions emphasizing existing conundrums and innovative approaches are encouraged. Oral and Posters.
Tectonics; Structural Geology; Petrology, Igneous
T143. Great Basin Tectonics and Metallogeny
U.S. Geological Survey
Albert H. Hofstra, David A. Ponce, Alan Wallace, Jonathan M.G. Glen
Relationships between tectonics and metallogeny in the Great Basin will be elucidated via a series of synoptic presentations on geophysics, crustal structure, basement, sedimentation, deformation, magmatism, paleogeography, ore deposit types, geochemistry, fluid flow and mass transport. Oral and Posters.
Tectonics; Economic Geology
T144. The Edges of Extension: Boundaries of the Basin and Range Province as Natural Laboratories for Studying Tectonic and Structural Processes
GSA Structural Geology and Tectonics Division; GSA Geophysics Division
Phillip Resor, Joseph Colgan, Eric Flodin
The goal of this session is to bring together an interdisciplinary group of scientists focused on understanding problems and processes of continental extension as expressed at the margins of the Basin and Range Province. Oral and Posters.
Structural Geology; Tectonics; Geophysics/Tectonophysics/Seismology
T145. The Nature, Significance, and Evolution of Transtensional Tectonic Regimes
GSA Structural Geology and Tectonics Division
Robert E. Holdsworth, Basil Tikoff, John Waldron
A session bringing together structural geologists, geophysicists, and geodeticists who have worked in obliquely divergent regimes worldwide allowing discussion of the key variables that control transtensional deformation patterns in the crust. Oral and Posters.
Structural Geology; Tectonics; Neotectonics/Paleoseismology
T146. Young and Active Transtensional Deformation along the Western Margin of North America: Walker Lane Belt/Eastern California Shear Zone to the Gulf of California
GSA Structural Geology and Tectonics Division; GSA Geophysics Division; GSA Quaternary Geology and Geomorphology Division
Paul Umhoefer, Jeffrey Lee
This session will explore and compare strain distribution and localization and geodynamic controls on faulting patterns along the length of a linked transtensional zone extending from the Walker Lane Belt to the Gulf of California. Oral and Posters.
Neotectonics/Paleoseismology; Tectonics; Structural Geology
T148. What is a Magma Chamber? The Role of Sheets in the Assembly of Intrusions
GSA Structural Geology and Tectonics Division
Sven Morgan, Basil Tikoff, Drew Coleman
A variety of data indicate the final shape of intrusions does not represent the shape of a single magma chamber. We solicit presentations on the structural, geochronological, petrological, and geophysical evidence concerned with understanding the dynamics of "magma sheeting." Oral and Posters.
Structural Geology; Geophysics/Tectonophysics/Seismology; Petrology, Igneous
T149. Rheological Information from Naturally Deformed Materials: New Approaches to Understanding Bulk Ductile Behavior
GSA Structural Geology and Tectonics Division
Dyanna Czeck, Cheryl Waters-Tormey
This session highlights challenges in and new approaches for inferring "bulk" rheology from natural heterogeneous ductile deformation zones. We seek studies that test predictions from experimental work and consider the multiscalar factors affecting bulk mechanical behavior. Oral and Posters.
Structural Geology; Tectonics; Geophysics/Tectonophysics/Seismology
T150. Fracturing and Faulting of the Clastic Rocks of the Colorado Plateau
Atilla Aydin, James P. Evans
This session encourages discussion into the diverse processes of fracturing and faulting in clastic rocks of the Colorado Plateau. Contributions combining structure with diagenesis, fluid flow, and depositional environment are welcome. Oral and Posters.
Structural Geology; Hydrogeology; Sediments, Clastic
T151. The Echinoderm Legacy of N. Gary Lane
Paleontological Society
Gary Webster, William Ausich
This session encourages submissions regarding various aspects of echioderm paleobiology including biostratigraphy, extinction, diversity, and biogeography in honor of the many contributions of N. Gary Lane. Oral and Posters.
Paleontology, Biogeography/Biostratigraphy; Paleontology, Diversity, Extinction, Origination; Paleontology, Paleoecology/Taphonomy

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© 2005 The Geological Society of America