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GSA2015 ANNUAL MEETING & EXPOSITION
GSA TODAY | MAY 2015 Stratigraphy
T205. Integration of Microfossils and Sedimentology in
Stratigraphic Analysis
Disciplines: Stratigraphy; Paleontology, Biogeography/
Biostratigraphy; Paleontology, Paleoecology/Taphonomy
Advocate: Peter P. McLaughlin Jr.
The integration of sedimentology and microfossils brings signifi-
cant benefits to stratigraphic analysis. This session will cover prac- Disciplines: Structural Geology; Tectonics/Tectonophysics
tical geologic problem-solving and novel approaches in the
integration of microfossils and sedimentologic analysis for strati-
graphic investigations of ancient terrestrial and marine sediments.
Structural Geology
T206. Constraints on Fault Constitutive Behavior from Nature,
Lab, and Theory
Disciplines: Structural Geology; Geophysics/Geodynamics
Advocates: Phillip G. Resor; Johanna M. Nevitt; W. Ashley
Griffith; Thomas M. Mitchell
In this session we seek contributions from studies of active
deformation, exhumed faults, and laboratory experiments that
characterize the range of fault constitutive behavior and the
underlying physical processes and properties that govern fault slip.
T207. Folds and Folding: Earth’s Surface to Depth
Disciplines: Structural Geology; Tectonics/Tectonophysics;
Economic Geology
Advocates: Juliet G. Crider; Mary Beth Gray
We seek contributions on the kinematics and mechanics of
folds, active or ancient, across the spectrum of rheology and scale,
and the relationship of folding to tectonic history, active crustal
deformation, and fluid migration.
T208. Perspectives on Orogenic Evolution, Dating Brittle Faults
and Mylonitic Shear Zones, Bending Mountains, and Assembling
Supercontinents: A Session to Honor the Career of Ben Van
der Pluijm
Disciplines: Structural Geology; Tectonics/Tectonophysics;
Petrology, Metamorphic
Advocates: Arlo Brandon Weil; Eric Tohver; Bernie Housen;
Samuel Haines
This session honors the work of Ben van der Pluijm with a focus
on the variety of temporal and spatial scales that Ben and his
students work on to better understand the complex evolution of
orogenic systems.
T209. Rheological Behavior of Ductile Lithosphere during
Strain Localization
Disciplines: Structural Geology; Tectonics/Tectonophysics;
Geophysics/Geodynamics
Advocates: Vasileios Chatzaras; Julie Newman; Basil Tikoff
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This session seeks contributions from field-based, microstruc-
tural, experimental, and modeling studies that provide new insights
on the deformation processes promoting strain localization and
shear zone formation in the lower crust and upper mantle.
T210. Strike-Slip Fault Systems Transfer Stress Inboard from
the Subduction Zone Margin Leading to Basin Subsidence and
Orogenesis, Are Conduits for Magmatism, and Are Responsible
for Far-Traveled Terrane Translation
Advocates: Jeff Benowitz; John I. Garver; Michele Cooke
Strike-slip faults act to partition and transfer plate boundary
stresses into the continental interior and are responsible for block
translation. We seek contributions from all geologic and geophys-
ical disciplines on the geodynamics of strike-slip faults.
T211. Structural Geology and Geomechanics in the
Petroleum Industry
Disciplines: Structural Geology; Economic Geology; Oil/Gas/
Alternative Energy
Advocates: J. Steve Davis; Peter Hennings
This session highlights structural geology and geomechanics
research with strong petroleum industry applicability. Topics
include regional structural analysis, computational and kinematic
deformation modeling, fracture and fault characterization, and
the interaction of buoyant fluids with geologic structures.
Tectonics/Tectonophysics
T212. Deconstructing Rodinia: Neoproterozoic-Cambrian
Geologic Evolution of Laurentia’s Margins
Disciplines: Tectonics/Tectonophysics; Precambrian Geology;
Paleoclimatology/Paleoceanography
Advocates: Chris Holm-Denoma; Arthur J. Merschat
This session aims to bring together scientists with broad
interests and ideas regarding the breakup of Rodinia and its
impact on the geosphere and biosphere, especially in regard
to the Neoproterozoic-Cambrian geologic evolution of
Laurentia’s margins.
T213. Integrating Perspectives on the Formation, Evolution,
and Destruction of Continental Crust: From 0 to 4600 Ma
Disciplines: Tectonics/Tectonophysics; Petrology, Igneous;
Precambrian Geology
Advocates: Paul A. Mueller; Robert Stern; David Snyder;
M.B. Magnani; M.E. Bickford
Constraining the extent to which the geochemical, geophys-
ical, and tectonic characteristics of modern arc systems (oceanic
and continental) and LIPS (large igneous provinces) can be
applied to the Precambrian record (Archean and Proterozoic)
of crustal evolution.