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 ...

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 ...

Creating, Disseminating, and Testing Interactive 3D Models for Teaching Structural Geology
Paul Karabinos, Williams College Many fundamental geologic concepts are rooted in 3D spatial relationships. Well-crafted 2D perspective diagrams illuminate such relationships for some students, but interactive 3D ...

Rotation Statistics in Structural Geology
Joshua Davis, Carleton College Sarah Titus, Carleton College Basil Tikoff, University of Wisconsin - Madison Many geologic data are geometric in nature, consisting not just of numbers but also of directions, ...

SCLM Rifting and Regional Shearing in the N American Superior Craton − Implications for Deformation, Mineralization, and Tectonic Reconstructions
Lyal Harris, INRS-ETE, Québec Jean Bédard, Geological Survey of Canada, Québec 3D images of S-wave seismic tomographic velocity anomalies for the Superior Province, N America, illustrate that the Abitibi ...

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 ...

Rheology of the Crust During Syn-convergent Extension: Insights from the Cordillera Blanca Detachment, Peru
Micah Jessup, University of Tennessee, Knoxville Colin Shaw, Montana State University Cameron Hughes, University of Tennessee, Knoxville Models for the rheology of the lithosphere rely on data derived from shear ...

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 ...