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GSA 2017 ANNUAL MEETING & EXPOSITION
T233. Tectonics, Geohazards, and Morphodynamics from T237. Comparative Early Evolution of the Terrestrial Planets
High-Resolution Topography and Imagery
Cosponsors: GSA Planetary Geology Division; GSA Mineralogy,
Cosponsors: GSA Quaternary Geology and Geomorphology Geochemistry, Petrology, and Volcanology Division; GSA
Division; GSA Environmental and Engineering Geology Division; Geophysics Division
GSA Structural Geology and Tectonics Division
Disciplines: Geophysics/Geodynamics, Planetary Geology,
Disciplines: Tectonics/Tectonophysics, Geomorphology, Geochemistry
Quaternary Geology
Advocates: Kent C. Condie; Charles K. Shearer
Advocates: Amit Mushkin; Edwin Nissen
This session will focus on comparison of the early evolution of
We seek papers describing recent advances in tectonics, geo- the crust, mantle, and core of terrestrial planets with emphasis on
hazards, morphodynamics, and associated fields that build on why some planets develop plate tectonics and some do not.
insights obtained from high-resolution topography and imagery,
collected across the full spectrum of satellite, airborne, T238. Geologic and Geophysical Characterization:
unmanned, and terrestrial platforms. A Key to Modeling Explosive Sources
T234. What Are the Conditions That Lead to Detachment Cosponsor: GSA Geophysics Division
Faulting?
Disciplines: Geophysics/Geodynamics, Tectonics/
Cosponsors: GSA Mineralogy, Geochemistry, Petrology, Tectonophysics, Structural Geology
and Volcanology Division; GSA Structural Geology and
Tectonics Division Advocates: Catherine M. Snelson; Robert Mellors; Hunter
Anne Knox
Disciplines: Tectonics/Tectonophysics, Petrology, Metamorphic,
Structural Geology The effect of geology on explosions in an observational and
predictive fashion. We seek contributions from all research
Advocates: Thomas Hoisch; Michael L. Wells; John S. Singleton focus areas.
This session will focus on the conditions that lead to detach- T239. Geophysics on Ice
ment faulting, including studies of the pre-detachment histories of
metamorphic core complexes, theoretical and rock mechanics Cosponsor: GSA Geophysics Division
approaches, and tectonic considerations.
Disciplines: Geophysics/Geodynamics, Environmental
T235. Which Process Mainly Controls the Lithospheric Geoscience, Planetary Geology
Thinning in Extensional Terrains: Magmatic Processes or
Extensional Deformation? Advocates: Nicholas C. Schmerr; Clément Miège
Disciplines: Tectonics/Tectonophysics, Geochemistry, This session will showcase recent advances in geophysical
Geophysics/Geodynamics investigations of Earth’s cryosphere and cryospheric processes.
Papers will summarize geophysical characterization of ice sheets,
Advocates: Zeynep Baran; Gokce Ustunisik; Yildirim Dilek glaciers, ice shelves, and related environments from a range of
different techniques at a variety of scales.
This session focuses on the interplay between magmatic/meta-
morphic processes and extensional deformation and their signifi- T240. Structure and Evolution of the North Atlantic
cance to the lithospheric thinning processes. –Arctic Realm
.GEOPHYSICS/GEODYNAMICS Disciplines: Geophysics/Geodynamics, Tectonics/
Tectonophysics, Geochemistry
T236. Characterizing Cascadia’s Earthquakes—Reexamining
Open Questions about Cascadia Seismic and Tsunami Hazards Advocates: Christian Schiffer; Gillian Foulger; Randell
Stephenson; Fiona Darbyshire; Hans Thybo
Cosponsors: GSA Geophysics Division; GSA Sedimentary Geology
Division; GSA Structural Geology and Tectonics Division The goals of this session are the discussion and revision of the
structure and geological-geodynamic evolution of the North
Disciplines: Geophysics/Geodynamics, Marine/Coastal Science, Atlantic–Arctic realm. Contributions from all relevant disciplines
Tectonics/Tectonophysics are requested, especially reports of multidisciplinary approaches.
Advocates: Robert C. Witter; Lydia Staisch; Joan Gomberg T241. Volcano-Tectonic Evolution of the East African
Rift System
Uncertainty in available geological and geophysical data ham-
pers forecasts of future Cascadia earthquakes. This session Cosponsors: GSA International/International Interdisciplinary
focuses on new approaches that harness multidisciplinary datasets Interest Group; GSA Geophysics Division; GSA Sedimentary
to address open questions about Cascadia earthquake parameters, Geology Division; GSA Structural Geology and Tectonics
recurrence, and related hazards. Division; GSA Mineralogy, Geochemistry, Petrology, and
Volcanology Division
Disciplines: Geophysics/Geodynamics, Tectonics/
Tectonophysics, Volcanology
48 22–25 October 2017 • Seattle, Washington, USA
