GSA Home Page Denver 2004 - Geoscience in a Changing World

Topical Sessions

Technical Program Schedule

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T60 top Sedimentary Geology and Earth History: Retrospective and Prospective: In Honor of the Career and Contributions of Robert H. Dott Jr.
GSA Sedimentary Geology Division; GSA History of Geology Division
Joanne Bourgeois, University of Washington, Seattle, Wash.; Marjorie A. Chan, University of Utah, Salt Lake City, Utah; Gary Kocurek, University of Texas, Austin, Texas
Bob Dott's career has spanned important changes in sedimentary geology and Earth's history and in the philosophy of geology. Students and colleagues of Bob Dott will reflect on those changes, and on his research and educational contributions. ORAL and POSTER
Stratigraphy; History of Geology; Geoscience Education
T61 top Frontier in Understanding the Geologic Record of Climate Change: A Session in Honor of William W. Hay
GSA Sedimentary Geology Division; GSA Geobiology and Geomicrobiology Division; GSA Limnogeology Division; GSA Structural Geology and Tectonics Division
Eric J. Barron, Pennsylvania State University, University Park, Pa.; Robert DeConto, University of Massachusetts, Amherst, Mass.
A remarkable revolution has taken place in the geosciences associated with a growing understanding of climate and climate change. This revolution is providing context for much of our interpretation and understanding of the earth system. ORAL and POSTER
Paleoclimatology/Paleoceanography; Marine/Coastal Science; Paleontology/Paleobotany
T62 top Wild Coal Fires: Burning Questions with Global Consequences?
GSA Coal Geology Division
Glenn Blair Stracher, East Georgia College, University System of Georgia, Swainsboro, Ga.; Ed Heffern, Cheyenne, Wyo.
This session will feature presentations and discussions about all aspects of these catastrophic fires, including global consequences. ORAL
Coal Geology; Environmental Geoscience; Engineering Geology
T63 top Raton Basin: From Coal to Coalbed Methane
GSA Coal Geology Division
Gretchen K. Hoffman, New Mexico Institute of Mining and Technology, Socorro, N.Mex.; Christopher J. Carroll, Colorado Geological Survey, Denver, Colo.
This session is designed to highlight the latest regional coal geology, tectonic, geochemistry and hydrologic research being done throughout the Raton Basin. The session will be dedicated to Charles Pillmore. ORAL and POSTER
Coal Geology; Tectonics; Hydrogeology
T64 top Genetic Links among Syngenetic Metal Accumulations in Sedimentary Basins: Giant Sediment-Hosted Metal Deposits to Metalliferous Black Shales
Society of Economic Geologists
Poul Emsbo, U.S. Geological Survey, Denver, Colo.; Eric E. Hiatt, University of Wisconsin, Oshkosh, Wis.
This multidisciplinary session will explore the origin of sediment-hosted metal accumulations, the conditions that result in formation of diverse types in correlative strata, and their links to secular variations in ocean chemistry. ORAL
Economic Geology
T65 top Stable Isotopes of Ore-forming Metals: Analysis and Applications
Jamie J. Wilkinson, Imperial College London, London
The aim of this session is to bring together researchers who are at the cutting edge of the new field of transition metal isotope geochemistry, applying metal isotope systematics to understanding problems in ore deposit genesis. ORAL
Economic Geology; Geochemistry, Other; Environmental Geoscience
T66 top Widespread Importance of Immiscible H2O-CO2 Fluids for Petrologic and Geochemical Processes in Low to Moderate Temperature Crustal Environments
Geochemical Society
John P. Kaszuba, Los Alamos National Lab, Los Alamos, N.Mex.; David R. Janecky, Los Alamos National Lab, Los Alamos, N.Mex.
Geochemical reaction models include CO2 as a major ligand and precipitate, but have generally neglected multiphase fluid implications. This session is intended to explore and contrast the evidence and behavior of high CO2 natural systems. ORAL
Geochemistry, Aqueous; Geochemistry, Other; Petrology, Metamorphic
T67 top Advanced Characterization of the Structures and Behaviors of Minerals
Mineralogical Society of America
Peter J. Heaney, Pennsylvania State University, University Park, Pa.; Jeffrey E. Post, Smithsonian Institution, Washington, D.C.; Michael C. Carpenter, Tucson, Ariz.
Innovations in microanalytical and microstructural characterization techniques are providing a deeper understanding of the factors that control mineral reaction mechanisms. This session invites contributions that explore the relation between atomic scale structure and macroscale behavior. ORAL
Mineralogy/Crystallography
T68 top Nano-Geochemistry and Nano-Structures in Earth Systems
GSA Geobiology and Geomicrobiology Division
Huifang Xu, University of New Mexico, Albuquerque, N.Mex.
Nano-structures and self-assembled nano-structures can provide information about their formation. Geochemical reactions in confined nanopores are different from those in bulk systems. This session will focus on nano-scale processes in geological environments. ORAL and POSTER
Geochemistry, Other; Mineralogy/Crystallography; Environmental Geoscience
T69 top Looking Forward to the Past: A Session in Honor of Paul Ribbe and the Reviews in Mineralogy and Geochemistry
Mineralogical Society of America
Ross Angel, Virginia Tech, Blacksburg, Va.; Nancy Ross, Virginia Tech, Blacksburg, Va.
Contributions that reflect on any past, present or future aspect of the topics that have been covered by the Reviews in Mineralogy and Geochemistry are invited for this mineralogy session in honor of Paul Ribbe. ORAL and POSTER
Mineralogy/Crystallography; Petrology, Experimental; Petrology, Metamorphic
T70 top Modeling Grain-Scale Processes in Metamorphic Rocks
Mineralogical Society of America; GSA Structure and Tectonics Division
W.D. Carlson, University of Texas, Austin, Texas; C.T. Foster, University of Iowa, Iowa City, Iowa
This session will synthesize recent advances stemming from a broad range of approaches to modeling deformation and reaction processes at the mm to cm scale in metamorphic rocks. ORAL and POSTER
Petrology, Metamorphic; Structural Geology; Mineralogy/Crystallography
T71 top Granitic Pegmatites: Recent Advances in Mineralogy, Petrology, and Understanding
Mineralogical Society of America
David London, University of Oklahoma, Norman, Okla.
Recent contributions to the mineralogy, petrology, and genesis of granitic pegmatites are welcome. Topics to be covered include mineral chemistry and stability, melt inclusions, experimental petrology, numerical models, field geology, and mining. ORAL and POSTER
Petrology, Igneous; Mineralogy/Crystallography; Geochemistry, Other
T72 top Impact Geology
GSA Planetary Geology Division; GSA Sedimentary Geology Division
David King, Auburn University, Auburn, Ala; Jared Morrow, University of Northern Colorado, Greeley, Colo.
A session devoted to the emerging field of impact studies, including astronomy, impact-related archaeology, cratering, impact modeling, shock metamorphism, mass extinctions, meteoritics, tektite studies, and ejecta stratigraphy. ORAL and POSTER
Planetary Geology
T73 top Early Paleoproterozoic (2.5-2.0 Ga) Events and Rates: Bridging Field Studies and Models
Precambrian (At Large); Geochemical Society; GSA Sedimentary Geology Division, SEPM-Society for Sedimentary Geology, Astrobiology Program
Andrey Bekker, Geophysical Lab, Carnegie Institution of Washington, Washington, D.C.; Mark E. Barley, The University of Western Australia, Western Australia, Australia; Robert H. Rainbird, Geological Survey of Canada, Ottawa, Ontario
Field-oriented and modeling studies dealing with the 2.5-2.0 Ga Earth's evolution are invited. Session will be focused on relationships between tectonics, change in atmospheric composition, and climatic changes as well as the rates of these changes. ORAL
Precambrian Geology; Paleoclimatology/Paleoceanography; Tectonics
T74 top 1500 to 2500 Ma: A Period of Changing Mantle Regimes in Earth History?
Precambrian (At Large); GSA Geophysics Division
Kent C. Condie, New Mexico Institute of Mining and Technology, Socorro, N.Mex.; Dallas Abbott, Lamont-Doherty Earth Observatory, Palisades, N.Y. ; Alex Pavlov, Univ of Colorado, Boulder, Colo.
This session will focus on change and interaction of earth systems between 1500 and 2500 Ma. Papers are especially solicited that deal with mantle dynamics, crustal evolution, the supercontinent cycle, and paleoclimatic regimes. ORAL
Precambrian Geology; Tectonics; Paleoclimatology/Paleoceanography
T75 top A Xenolith Perspective on the Physical and Chemical Evolution of Continental Lithosphere
GSA Structural Geology and Tectonics Division; Mineralogical Society of America; GSA Geophysics Division
Jane Selverstone, University of New Mexico, Albuquerque, N.Mex.; Roberta L. Rudnick, University of Maryland, College Park, Md.
Geochemistry, Other; Geophysics/Tectonophysics/Seismology; Petrology, We seek contributions from a diversity of disciplines to examine the role that mantle and crustal xenolith studies play in constraining the composition, age, physical properties, and petrologic evolution of continental lithosphere. ORAL and POSTER
Metamorphic
T76 top Pre-EarthScope Synthesis of the Rocky Mountains I: Framing the Key Geological, Geophysical, and Geodynamic Controversies
GSA Structural Geology and Tectonics Division; GSA Geophysics Division; Rocky Mountain Association of Geologists; Colorado Scientific Society; EarthScope; GSA Quaternary Geology and Geomorphology Division
Karl E. Karlstrom, University of New Mexico, Albuquerque, N.Mex.; Rick Aster, New Mexico Institute of Mining and Technology, Socorro, N.Mex.
Synthesis of controversies related to lithospheric evolution of the Rocky Mountain region, with linkages among the geology, geophysics, geomorphology, and geodynamics communities to help shape an interdisciplinary approach to a still-embryonic EarthScope science program. ORAL and POSTER
Tectonics; Geophysics/Tectonophysics/Seismology; Quaternary Geology/Geomorphology
T77 top Pre-EarthScope Synthesis of the Rocky Mountains II: Surface Processes, Geodynamics, and the Roles of Neotectonics and Climate in Development of Modern Topography
GSA Structural Geology and Tectonics Division; GSA Geophysics Division; GSA Quaternary Geology and Geomorphology Division; Rocky Mountain Association of Geologists; Colorado Scientific Society; EarthScope
Eric Kirby, Pennsylvania State University, University Park, Pa.; Margaret E. McMillan, Univ of Arkansas at Little Rock
Studies of rock and surface uplift and development of the present topography, including studies of paleoelevation, mantle to surface interconnections, geodynamics of intracratonic deformation, and relative importance of neotectonics versus climate in development of relief. ORAL and POSTER
Tectonics; Geophysics/Tectonophysics/Seismology; Quaternary Geology/Geomorphology
T78 top Pre-EarthScope Synthesis of the Rocky Mountains III: New Advances in Laramide Deformation and Tectonics of Rocky Mountain Basement-Involved Structures: In Honor of Donald L. Blackstone Jr.
GSA Structural Geology and Tectonics Division; GSA Geophysics Division; Wyoming Geological Association; Rocky Mountain Association of Geologists; Colorado Scientific Society; EarthScope
Eric Erslev, Colorado State University, Fort Collins, Colo.; David Lageson, Montana State University, Bozeman, Mont.; Arthur Snoke, University of Wyoming, Laramie, Wyo.
This session honors Don Blackstone's pioneering work on Rocky Mountain structures by presenting new geological and geophysical studies of Laramide structures that provide important insights into the linkage between basement-involved foreland structures and lithospheric processes. ORAL and POSTER
Structural Geology; Tectonics; Geophysics/Tectonophysics/Seismology
T79 top Pre-EarthScope Synthesis of the Rocky Mountains IV: New Ideas on Late Paleozoic Intraplate Orogenesis: The Greater Ancestral Rocky Mountains
GSA Structural Geology and Tectonics Division; GSA Geophysics Division; Friends of the Ancestral Rocky Mountains; EarthScope
Charles F. Kluth, Colorado School of Mines, Golden, Colo.; Gerilyn S. Soreghan, University of Oklahoma, Norman, Okla.
This session will provide a forum for new data and interpretations on late Paleozoic tectonics and tectonic-climatic interactions in western Pangea, enabling integration of ideas from diverse geographic settings and scientific disciplines. ORAL and POSTER
Tectonics; Stratigraphy; Structural Geology
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