The Reactivation of the Lost Lakes Fault in Yosemite National Park (USA): When Did it Happen and What Does it Mean?
Richard Becker, UW-Madison Basil Tikoff, UW-Madison David Greene, Denison University The Lost Lakes Fault is an 8 km long NW-striking structure that parallels the Sierra Crest in Yosemite National Park. The ...

Continuous Thermal Histories from MDD Modeling of 40Ar/39Ar K-feldspar Analyses and Applications to Extensional Tectonics
Martin Wong, Colgate University Phillip Gans, University of California, Santa Barbara Peter Zeitler, Lehigh University Bruce Idleman, Lehigh University Damien Roesler, Colgate University Most tectonic processes ...

Damaged Goods in the Marmion Tonalites, Superior Province, Ontario: Deformation Fabrics in a Gold-Bearing Damage Zone.
Nils Backeberg, McGill University Christie Rowe, McGill University The Archean Hammond Reef gold deposit in NW Ontario, Canada, is hosted in the Mesoarchean Marmion tonalite gneisses of the south-central Wabigoon ...

Quantitative Structural Analysis: Where does it start?
David Pollard, Stanford University Stephen Martel, University of Hawaii We address the question: what approach should one adopt to analyze problems of structural geology from a quantitative point of view? We focus ...

Insights About Polygonal Faults and Related Structures from Extensive Exposures of the Cretaceous Khoman Formation, Western Desert, Egypt
Barbara Tewksbury, Hamilton College John Hogan, Missouri University of Science and Technology Simon Kattenhorn, University of Idaho Charlotte Mehrtens, University of Vermont Elhamy Tarabees, Damanhour University ...

Finding Active Faults Using Earthquake Focal Mechanisms, Geomorphic Analysis and Field Work (SLAM)
Vincent Cronin, Baylor University Jordan Dickinson, Baylor University The seismo-lineament analysis method (SLAM) uses an earthquake focal mechanism and a DEM or topographic map, along with geomorphic analysis, to ...

Why Should I Care About Your Slop? Linking Shallow Geologic Observations to Deeper Earth Processes
Rich Briggs, US Geological Survey Geoscientists draw on many powerful tools and techniques to document surface deformation. Ideally these observations help illuminate deeper Earth processes. However, the ...

Reconciling Invariant Topography with Significant Along-Strike Gradients in Climate and Tectonics in the Greater Caucasus
Adam Forte, Arizona State University Kelin Whipple, Arizona State University The Greater Caucasus Mountains (GC) are a predominantly east-west striking orogen, that lie between the Black and Caspian Seas and ...

New GPS Evidence for Continental Transform Fault Creep, Central Range Fault, Trinidad, Caribbean-South American Plate Boundary and Geological/Hazard Implications
John Weber, Grand Valley State University Chris Churches, Grand Valley State University Richard Robertson, UWI-SRC Pete La Femina, PSU Halldor Geirsson, PSU Most continental plate boundary transform faults exhibit ...

Belly of the Beast: Detailed Mapping in the Deformation Core of a Quartz-plastic Transitional Zone Fault: Implications for Deep Fault Seismicity on Major Strike Slip Faults
Ben Melosh, McGill University Christie Rowe, McGill University Christopher Gerbi, University of Maine The Pofadder Shear Zone (Namibia-South Africa) is a right lateral, strike-slip structure, exhumed from the ...