The Central Piedmont Shear Zone of the Southern Appalachian Piedmont
Allen Dennis, Univ South Carolina Aiken The central Piedmont shear zone in western South Carolina, sometimes called the Cross Anchor fault, juxtaposes Ediacaran-Cambrian rocks of Carolinia with Silurian Cat Square ...

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 ...

Virtual Geological Mapping and Development of Geospatial Analysis Competencies Using Google Earth and Related Digital technologies
Declan De Paor, Old Dominion University GEODE Team* Field geology, especially structural and tectonic mapping, has long been a central part of geoscience education. Many programs require a residential field camp ...

Evaluating the Effectiveness of Flinn's K-value Versus Lode's Ratio
Matty Mookerjee, Sonoma State University Lode's ratio (ν) and Flinn's k-value are the most commonly used parameters for characterizing the shape of ellipsoids. Both parameters characterize this shape ...

Dating Brittle Deformation with Hematite (U-Th)/He Chronometry
Alexis Ault, University of Arizona Peter Reiners, University of Arizona Direct, robust timing constraints on fault slip are necessary to reconstruct structural-tectonic histories, understand mountain building and ...

EllipseFit 3: A New Computer Program for Integrated Geological Finite Strain Analysis
Frederick Vollmer, SUNY New Paltz EllipseFit 3 is an entirely new version of EllipseFit, an integrated program for geological finite strain analysis. It is designed for determining two and three-dimensional strain ...

A Structure for Mastering Stereonets for Structural Geology
Katherine Boggs, Mount Royal University Student voice, exam marks and participant reported confidence levels were used here to propose a model for guiding novice student acquisition of the spatial cognition skills ...

Anatomy of the 200 km-long, Left-lateral Surface Rupture from the 24 September 2013 Mw7.7 Balochistan Earthquake, Southern Pakistan
Ryan Gold, U.S. Geological Survey Nadine Reitman, U.S. Geological Survey Richard Briggs, U.S. Geological Survey William Barnhart, U.S. Geological Survey Gavin Hayes, U.S. Geological Survey The 24 September 2013 ...

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 ...

Strain Localization (and De-localization?) in Deep Continental Crust: Examples from an Exhumed Section and Remote Observations from Still Deep Crust in North America
Kevin H. Mahan, University of Colorado-Boulder Sean Regan, University of Massachusetts-Amherst Omero P. Orlandini, University of Colorado-Boulder Michael L. Williams, University of Massachusetts-Amherst Vera ...