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GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 54
Sunday, 25 September 2016: 1:30 PM-5:30 PM
Mile High Ballroom 2B (Colorado Convention Center)

T216. Cenozoic Evolution of the Southern Rocky Mountains and Northern Rio Grande Rift: Exploring Linkages between Geologic History, Processes, and Landscape Change

GSA Structural Geology and Tectonics Division; GSA Quaternary Geology and Geomorphology Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Sedimentary Geology Division; SEPM (Society for Sedimentary Geology)
Scott A. Minor and Ren A. Thompson, Advocates
54-1
1:30 PM
DEFINING THE GEOLOGIC AND TECTONIC COLORADO PLATEAU IN SPACE AND TIME BY EXTENSION
MORGAN, Paul, Colorado Geological Survey, 1801 19th St, Golden, CO 80401, morgan@mines.edu
54-2
1:45 PM
CORDILLERAN AND FLUID CONTROLS ON LARAMIDE BASEMENT-INVOLVED FORELAND DEFORMATION (Invited Presentation)
ERSLEV, Eric A., Department of Geology and Geophysics, University of Wyoming, 1000 E. University Ave, Dept. 3006, Laramie, WY 82071, eric.erslev@colostate.edu
54-3
2:05 PM
THE ARKANSAS/BLUE RIVER TRANSITION ZONE OF THE RIO GRANDE RIFT AND ITS POSSIBLE IMPLICATIONS FOR THE STRUCTURE OF SOUTH PARK (Invited Presentation)
MATTHEWS III, Vincent, Leadville Geology LLC, 519 West 7th Street, Leadville, CO 80461 and BARKMANN, Peter, Colorado Geological Survey, 1500 Illinois Street, Golden, CO 80401-1887, LeadvilleGeology@gmail.com
54-4
2:25 PM
LATE-MIOCENE TO PLEISTOCENE EXHUMATION ALONG THE UPPER ARKANSAS RIVER VALLEY SEGMENT OF THE RIO GRANDE RIFT IN SOUTHERN COLORADO
ABBEY, Alyssa, Earth and Environmental Sciences, University of Michigan, 1100 N University Ave, 2534 CC Little Building, Ann Arbor, MI 48109 and NIEMI, Nathan, Earth and Environmental Sciences, University of Michigan, Ann Arbor, MI 48109, alabbey@umich.edu
54-5
2:40 PM
AN ENIGMATIC MOUNTAIN-BLOCK EXTENSIONAL TRANSFER ZONE WITHIN THE CENTRAL COLORADO RIO GRANDE RIFT
MINOR, Scott A.1, CAINE, Jonathan Saul2, HUDSON, Mark R.1, FRIDRICH, Christopher J.1 and RULEMAN, Chester A.1, (1)U.S. Geological Survey, Box 25046, DFC, MS 980, Denver, CO 80225, (2)U.S. Geological Survey, P.O. Box 25046, MS 964, Denver, CO 80225, sminor@usgs.gov
54-6
2:55 PM
DECIPHERING A STRUCTURAL CHANGE AT 11 MA IN THE EVOLUTION OF A CLASSIC TRANSFER FAULT ZONE, THE SOUTHERN EMBUDO FAULT SYSTEM IN NORTH-CENTRAL NEW MEXICO
KONING, Daniel J., New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, BALDRIDGE, W. Scott, Earth and Environmental Sciences Division, Los Alamos National Laboratory, M.S. D408, Los Alamos, NM 87545 and FERGUSON, John F., Geosciences Department, University of Texas at Dallas, PO Box 688, Richardson, TX 75080, dkoning@nmbg.nmt.edu
54-7
3:10 PM
REVISITING THE PALEOCENE-EOCENE BOUNDARY IN THE SAN JUAN BASIN OF NEW MEXICO
ZELLMAN, Kristine, Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401; Geosciences and Environmental Change Science Center, U.S. Geological Survey, Box 25046, DFC, MS 980, Denver, CO 80225, FRICKE, Henry, Geology, Colorado College, Colorado Springs, CO 80903, PLINK-BJORKLUND, Piret, Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401, WING, Scott L., Department of Paleobiology, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560 and HARRINGTON, Guy, Department of Geography, Earth, and Environmental Sciences, University of Birmingham, Birmingham, B15 2TT, United Kingdom, kzellman@usgs.gov
54-8
3:25 PM
PYROCLASTIC DEPOSITS IN THE PALEOCENE SAN JUAN BASIN:  INVESTIGATING THE RELATIONSHIP BETWEEN VOLCANISM, SEDIMENTATION, AND PRESERVATION DURING THE LARAMIDE OROGENY
HOBBS, Kevin M., Earth and Planetary Sciences, University of New Mexico, MSC03 2040, Albuquerque, NM 87131 and FAWCETT, Peter J., Earth and Planetary Sciences, University of New Mexico, 220 Northrop Hall, MSC 03 2040, Albuquerque, NM 87131, khobbs84@unm.edu
 
3:40 PM
Break
54-9
3:55 PM
MAGMATO-TECTONIC LINKS: IGNIMBRITE CALDERAS, REGIONAL DIKE SWARMS, AND THE TRANSITION FROM ARC TO RIFT IN THE SOUTHERN ROCKY MOUNTAINS (Invited Presentation)
LIPMAN, Peter W., U.S. Geological Survey, MS910, 345 Middlefield Rd, Menlo Park, CA 94025 and ZIMMERER, Matthew J., New Mexico Bureau of Geology and Mineral Resources, Socorro, NM 87801, plipman@usgs.gov
54-10
4:15 PM
TIMING AND GEOCHEMICAL EVOLUTION OF SERVILLETA BASALT ALONG THE RIO GRANDE GORGE, COLORADO AND NEW MEXICO
COSCA, Michael A., THOMPSON, Ren A., TURNER, Kenzie J. and MORGAN, Leah E., U.S. Geological Survey, Denver, CO 80225, mcosca@usgs.gov
54-11
4:30 PM
GEOCHEMICAL VARIATIONS OF THE MCCARTYS FLOW, WEST-CENTRAL NEW MEXICO: EVALUATING THE MAGMATIC EVOLUTION OF A CONTINENTAL THOLEIITIC BASALT
LEVESQUE, Steven, Department of Geological Sciences, New Mexico State University, 1255 N. Horseshoe Dr., Las Cruces, NM 88003 and RAMOS, Frank C., Geological Sciences, New Mexico State University, Las Cruces, NM 88003, Levesque@nmsu.edu
54-12
4:45 PM
GEOCHEMISTRY AND PETROGENESIS OF THE TABLE MOUNTAIN LAVA FLOWS, GOLDEN, COLORADO
MILLIKIN, Alexie, Geology, Colorado College, Colorado Springs, CO 80903 and MORGAN, Leah E., U.S. Geological Survey, Denver, CO 80225, alexiemillikin@gmail.com
54-13
5:00 PM
BIRTH AND EVOLUTION OF THE RIO GRANDE FLUVIAL SYSTEM IN THE LAST 8 MA: PROGRESSIVE DOWNWARD INTEGRATION AND INTERPLAY BETWEEN TECTONICS, VOLCANISM, AND RIVER EVOLUTION
REPASCH, Marisa N., Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, KARLSTROM, Karl E., Department of Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131 and HEIZLER, Matthew, New Mexico Geochronology Research Laboratory, New Mexico Bureau of Mines & Mineral Resources, 801 Leroy Place, New Mexico Tech, Socorro, NM 87801-4796, mrepasch@unm.edu
54-14
5:15 PM
MIDDLE PLEISTOCENE INTEGRATION OF THE SAN LUIS BASIN AND FORMATION OF THE MODERN RIO GRANDE, COLORADO AND NEW MEXICO, U.S.A
RULEMAN III, Chester A., U.S. Geological Survey, P.O. Box 25046, Mail Stop 980, Denver, CO 80225, THOMPSON, Ren A., U.S. Geological Survey, Box 25046, DFC, MS 980, Denver Federal Center, Denver, CO 80225, MIGGINS, Daniel P., College of Ocean and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg, Corvallis, OR 97331-5503, GOEHRING, Brent M., Dept. of Earth and Environmental Sciences, Tulane University, 6823 St Charles Ave, New Orleans, LA 70118 and PACES, James B., U.S. Geological Survey, Denver, CO 80225, cruleman@usgs.gov
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