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Rocky Mountain (63rd Annual) and Cordilleran (107th Annual) Joint Meeting (18–20 May 2011)

Session No. 10
Wednesday, 18 May 2011: 1:30 PM-5:00 PM
Willow (Riverwoods Conference Center)

T1. From Contraction to Extension: The Mesozoic to Cenozoic Tectonic Evolution of the Northern Great Basin II

 

Joseph P. Colgan, Christopher D. Henry, Victoria E. Langenheim, Allen J. McGrew, David M. Miller and Michael L. Wells, Advocates
Paper #
Start Time
 
1:30 PM
Introductory Remarks
1
1:35 PM
TIMING OF EXTENSION IN THE PIONEER CORE COMPLEX, SOUTH-CENTRAL IDAHO: IMPLICATIONS FOR THE SPATIAL-TEMPORAL PATTERNS OF THE CORDILLERAN COMPLEXES AND THE ONSET OF TERTIARY EXTENSION
VOGL, James J., Department of Geological Sciences, University of Florida, Gainesville, FL 32611 and FANNING, C. Mark, Research School of Earth Sciences, Australian National University, Canberra, ACT 0200, Australia, jvogl@geology.ufl.edu, jvogl@geology.ufl.edu
2
1:55 PM
EOCENE TO MIOCENE HISTORY OF THE MIDDLE MOUNTAIN SHEAR ZONE SYSTEM
WELLS, Michael L., Dept. of Geoscience, Univ of Nevada, Las Vegas, 4505 South Maryland Parkway, Las Vegas, NV 89154-4010, michael.wells@unlv.edu, michael.wells@unlv.edu
3
2:25 PM
PALEOGENE HINTERLAND TO FORELAND TOPOGRAPHY: EOCENE DEPOSITS OF NORTHWEST UTAH
MILLER, David M., U.S. Geological Survey, 345 Middlefield Road MS 973, Menlo Park, CA 94025, FELGER, Tracey J., US Geological Survey, 2255 N. Gemini Drive, Flagstaff, AZ 86001, WELLS, Michael L., Dept. of Geoscience, Univ of Nevada, Las Vegas, 4505 South Maryland Parkway, Las Vegas, NV 89154-4010 and FLECK, Robert J., U. S. Geological Survey, 345 Middlefield Road, MS 937, Menlo Park, CA 94025, dmiller@usgs.gov, dmiller@usgs.gov
4
2:45 PM
NEW AEROMAGNETIC SURVEY REVEALS WIDESPREAD QUATERNARY AND NEOGENE VOLCANIC ROCKS AND FOOTWALL STRUCTURE IN NORTHWEST UTAH
LANGENHEIM, V.E., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, MILLER, D.M., U.S. Geological Survey, 345 Middlefield Road, MS 973, Menlo Park, CA 94025, FELGER, Tracey J., US Geological Survey, 2255 N. Gemini Drive, Flagstaff, AZ 86001, WELLS, Michael L., Dept. of Geoscience, Univ of Nevada, Las Vegas, 4505 South Maryland Parkway, Las Vegas, NV 89154-4010, WILLIS, Grant C., Utah Geological Survey, PO Box 146100, Salt Lake City, UT 84114-6100 and CLARK, Donald L., Utah Geological Survey, P.O. Box 146100, Salt Lake City, UT 84114-6100, zulanger@usgs.gov, zulanger@usgs.gov
 
3:05 PM
Break
5
3:20 PM
STRUCTURAL AND VOLCANIC EVOLUTION OF SOUTHERN CURLEW VALLEY, NORTHWEST UTAH
FELGER, Tracey J., US Geological Survey, 2255 N. Gemini Drive, Flagstaff, AZ 86001, MILLER, David M., U.S. Geological Survey, 345 Middlefield Road MS 973, Menlo Park, CA 94025, LANGENHEIM, Victoria E., U.S. Geological Survey, 345 Middlefield Road, Menlo Park, CA 94025, FLECK, Robert J., U. S. Geological Survey, 345 Middlefield Road, MS 937, Menlo Park, CA 94025, PERKINS, Michael E., Department of Geology and Geophysics, University of Utah, 135 South 1460 East, Rm 719, Salt Lake City, UT 84112-0111 and WELLS, Michael L., Dept. of Geoscience, Univ of Nevada, Las Vegas, 4505 South Maryland Parkway, Las Vegas, NV 89154-4010, tfelger@usgs.gov, tfelger@usgs.gov
6
3:40 PM
DISCORDANCE AND DISSOLUTION OF RADIATION-DAMAGED DETRITAL ZIRCON IN THE WASATCH FORMATION AND ADJACENT UNITS IN THE POWDER RIVER BASIN, WYOMING
GARVER, John I., Geology Department, Union College, 807 Union St, Schenectady, NY 12308 and WOLD, Joseph S., Union College, 807 Union ST, Union College, 807 Union ST, Schenectady, NY 12308, garverj@union.edu, garverj@union.edu
7
4:00 PM
CRETACEOUS SYNOROGENIC AND EOCENE POST-OROGENIC EXTENSION IN THE SEVIER HINTERLAND, SOUTHWESTERN MONTANA
LONN, Jeffrey D. and ELLIOTT, Colleen, Montana Bureau of Mines and Geology, Montana Tech, 1300 W. Park Street, Butte, MT 59701, jlonn@mtech.edu, jlonn@mtech.edu
8
4:20 PM
THE BEAVERHEAD DIVIDE FAULT ON THE IDAHO-MONTANA BORDER – CRETACEOUS CONTRACTION, EOCENE EXTENSION, BUT NOT A TERRANE BOUNDARY
BURMESTER, Russ, Geology, Western Washington University, 516 High St, Bellingham, WA 98225-9080, LONN, Jeffrey D., Montana Bureau of Mines and Geology, Montana Tech, 1300 W. Park Street, Butte, MT 59701, LEWIS, Reed S., Idaho Geological Survey, University of Idaho, 875 Perimeter Drive MS3014, Moscow, ID 83844-3014, MCFADDAN, Mark D., North Idaho College, 1000 W. Garden Ave, Coeur d'Alene, ID 83814 and GASCHNIG, Richard M., School of Earth and Environmental Sciences, Washington State University, Webster Physical Science Building 1228, Pullman, WA 99164-2812, russb@wwu.edu, russb@wwu.edu
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