Geological Society of America

8:00 AM

PARTITIONING OF TRICLINIC DEFORMATION IN A HIGH-STRAIN ZONE INTO MONOCLINIC AND ORTHORHOMBIC DEFORMATION DOMAINS: AN EXAMPLE FROM THE SUPERIOR BOUNDARY ZONE, MANITOBA, CANADA

Yvette Kuiper, Colorado School of Mines Geology and Geological Engineering, Golden, CO and Shoufa Lin, University of Waterloo, Waterloo, ON and Dazhi Jiang, Western University, London, ON

159957 (Technical Sessions)

8:15 AM

PETROPHYSICALLY SELECTIVE COMPACTION BANDS IN NAVAJO SANDSTONE

Haakon Fossen, University of Bergen, Bergen, N/A and Richard A. Schultz, ConocoPhillips, Houston, TX and Anita Torabi, University of Bergen, Bergen, N/A and Jan Tveranger, University of Bergen, Bergen, N/A

165346 (Technical Sessions)

8:30 AM

QUANTIFYING THE EFFECTS OF A WEAK PHASE ON THE RHEOLOGY OF NATURALLY DEFORMED, POLYPHASE ROCKS OF THE MOUNT ISA INLIER, QUEENSLAND, AUSTRALIA

Evan James Earnest Heckler, University of Wisconsin, Madison, Madison, WI and Laurel B. Goodwin, Univ. of Wisconsin, Madison, WI and Basil Tikoff, University of Wisconsin–Madison, Madison, WI and Thomas G. Blenkinsop, James Cook University, Townsville, N/A

165521 (Technical Sessions)

8:45 AM

TABULAR FRACTURE CLUSTERS, SIERRA NEVADA BATHOLITH, CALIFORNIA

Paul Riley, University of Wisconsin-Madison, Madison, WI and Basil Tikoff, University of Wisconsin–Madison, Madison, WI

165484 (Technical Sessions)

9:00 AM

FORMATION OF CRENULATION CLEAVAGE AND DOWN-DIP-VERGING FOLDS DURING THE COLLAPSE OF FOLD-THRUST BELTS: EXAMPLES FROM BARABOO (WISCONSIN, USA) AND FROM A BRASILIANO OROGEN (MINAS GERAIS, BRAZIL)

Stephen Marshak, Univ Illinois - Urbana-Champaign Dept Geology /Natural History Bldg, Urbana, IL and Joshua DeFrates, Univ of Illinois, Urbana, IL and Fernando F. Alkmim, Univ. Federal de Ouro Preto, Ouro Preto, N/A

166369 (Technical Sessions)

9:15 AM

FOLD MECHANISMS AND DISHARMONY IN "ZEUS" ANTICLINE, MT. LYKAION, PELOPONESSOS, GREECE

George Davis, The University of Arizona, Tucson, AZ

165344 (Technical Sessions)

9:45 AM

DILIGENCIA BASIN (SOUTHERN CALIFORNIA) REVISITED: SEDIMENTATION IN HALF GRABEN BOUNDED ON THE NORTHEAST BY NORMAL FAULT

Raymond Ingersoll, University of California, Los Angeles, CA

164227 (Technical Sessions)

10:00 AM

MIOCENE SEDIMENTATION NEAR THE LOST BASIN RANGE AND INITIATION OF WHEELER FAULT SYSTEM EASTERN LAKE MEAD, ARIZONA: 15 MA DISRUPTION OF THE FOOTWALL OF THE SOUTH VIRGIN – WHITE HILLS DETACHMENT FAULT

Paul J. Umhoefer, Northern Arizona University, Flagstaff, AZ and Ernest Duebendorfer, Northern Arizona University, Flagstaff, AZ and Nathan Blythe, Marathon Oil Co, Houston, TX and Zack Swaney, ConocoPhillips, Houston, TX and Linda Beard, U.S. Geological Survey, Flagstaff, AZ and William McIntosh, New Mexico Tech, Socorro, NM

166152 (Technical Sessions)

10:15 AM

TIMING RELATIONS BETWEEN THE SOUTH FORK AND HEART MOUNTAIN FAULT SYSTEMS WITH IMPLICATIONS FOR EMPLACEMENT, WYOMING, USA

Timothy L. Clarey, Delta College, University Center, MI

164027 (Technical Sessions)

10:30 AM

DUPLEXES, CLIMBING IMBRICATES, AND TRIANGLE ZONES IN RESPONSE TO CHANGING COMPRESSION DIRECTIONS AROUND THE BEND OF THE VALLEY-AND-RIDGE IN CENTRAL PENNSYLVANIA

Paul A. Washington, Marietta College, Marietta, OH

164937 (Technical Sessions)

10:45 AM

FOLD AND SHEAR ZONE DEVELOPMENT WITHIN THE EVAPORITE DéCOLLEMENT OF THE SIERRA MADRE ORIENTAL FOLD BELT, NORTHEASTERN MEXICO

Gareth E. Cross, The University of Texas at Austin, Austin, TX and Randall Marrett, The University of Texas at Austin, Austin, TX

165569 (Technical Sessions)

11:00 AM

ANALYSIS OF MECHANICAL STRATIGRAPHY AND STRUCTURAL ARCHITECTURE OF THE GILEAD CREEK AREA, NORTHEASTERN BROOKS RANGE, ALASKA

Garrett Speeter, University of Alaska Fairbanks, Fairbanks, AK and Wesley K. Wallace, University of Alaska Fairbanks, Fairbanks, AK

167176 (Technical Sessions)

11:15 AM

NEOTECTONIC EVALUATION OF SEISMIC HAZARD ALONG THE RUATANIWHA FAULT, DANNEVIRKE REGION, NEW ZEALAND

P. Zion Klos, Colorado College, Colorado Springs, CO and Robert Langridge, GNS Science, Lower Hutt, N/A and Christine S. Siddoway, Colorado College, Colorado Springs, CO

160414 (Technical Sessions)

11:30 AM

INTERACTION OF TERTIARY DEEP-WATER DEPOSITIONAL SYSTEMS WITH ACTIVELY EVOLVING STRUCTURES - PALEOGEOGRAPHY OF THE LOWER CONGO BASIN, OFFSHORE ANGOLA

Arlene V. Anderson, ExxonMobil Exploration Company, Houston, TX and D.K. Sickafoose, ExxonMobil Exploration Company, Houston, TX and T.R. Fahrer, ExxonMobil Exploration Company, Houston, TX and R.R. Gottschalk, ExxonMobil Exploration Company, Houston, TX

160555 (Technical Sessions)

223 Structural Geology: Advances in Understanding Deformational Processes Ancient and Modern

Presentations