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Rocky Mountain - 55th Annual Meeting (May 7-9, 2003)

Session No. 15
Friday, 9 May 2003: 8:30 AM-11:35 AM

S4. Rise and Fall of the Rocky Mountains I: Proterozoic Lithospheric Evolution and Influence of Basement Fabric on Younger Tectonism in the Rocky Mountains

 

Karl E. Karlstrom and David Gonzales, Conveners
Paper #
Start Time
 
8:30 AM
Introductory Remarks
1
8:35 AM
GEOMETRY OF MAFIC SILLS IN THE MESOPROTEROZOIC BELT-PURCELL BASIN, NORTHERN ROCKY MOUNTAINS
BURTIS, Erik W.1, SEARS, James W.1 and CHAMBERLAIN, Kevin R.2, (1)Geology Department, Univ of Montana, Missoula, MT 59812, (2)Geology & Geophysics Department, Univ of Wyoming, Laramie, WY 82071-3006, ewdb92@yahoo.com, ewdb92@yahoo.com
2
8:50 AM
ON THE EDGE OF THE ICOSAHEDRON: ANATOMY OF THE MONTANA-TENNESSEE STRUCTURAL CORRIDOR
SEARS, James W., Geology, Univ of Montana, Missoula, MT 59812, jwsears@selway.umt.edu, jwsears@selway.umt.edu
3
9:05 AM
PALEOPROTEROZOIC AND MESOPROTEROZOIC GRANITIC MAGMATISM IN THE CENTRAL SANGRE DE CRISTO MOUNTAINS, SOUTHERN COLORADO
JONES III, James V. and CONNELLY, James N., Department of Geological Sciences, Univ of Texas at Austin, Austin, TX 78712, jvjones@mail.utexas.edu, jvjones@mail.utexas.edu
4
9:20 AM
THE FOWLER PASS SHEAR ZONE: A PERSISTENTLY REACTIVATED PROTEROZOIC STRUCTURE IN THE SOUTHERN ROCKY MOUNTAINS
ANDRONICOS, Christopher L., Department of Geological Sciences, Univ of Texas at El Paso, 500 W. University Ave, El Paso, TX 79968 and CARRICK, Tina L., Department of Geological Sciences, Univ of Texas at El Paso, 500 W University Ave, El Paso, TX 79968, chris@geo.utep.edu, chris@geo.utep.edu
5
9:35 AM
THE EARLY PROTEROZOIC PAYSON OPHIOLITE AND THE MAZATZAL CRUSTAL BLOCK, CENTRAL ARIZONA: COINCIDENTAL OR CAUSAL RELATIONSHIP?
DANN, Jesse C., 90 Old Stow Road, Concord, MA 01742, djdann@prodigy.net, djdann@prodigy.net
 
9:50 AM
Break
6
10:05 AM
CONSTRAINING THE TECTONIC HISTORY OF THE PROTEROZOIC MOJAVE-YAVAPAI PROVINCE BOUNDARY: INSIGHTS FROM DETAILED METAMORPHIC PETROLOGY AND MONAZITE GEOCHRONOLOGY ALONG A TRANSECT ACROSS THE 96-MILE AND CRYSTAL SHEAR ZONES OF THE UPPER GRANITE GORGE, GRAND CANYON, ARIZONA
DUMOND, Gregory, Department of Geosciences, Univ of Massachusetts, Amherst, MA 01003, WILLIAMS, Michael, Department of Geosciences, Univ of Massachusetts, Amherst, MA 01002, KARLSTROM, Karl E., Earth and Planetary Sciences, Univ of New Mexico, 200 Yale Blvd. NE, Northrop Hall, Albuquerque, NM 87131, HEIZLER, Matthew, New Mexico Bureau of Mines and Mineral Rscs, Socorro, NM 87801 and MAHAN, Kevin, Dept. of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820, gdumond@geo.umass.edu, gdumond@geo.umass.edu
7
10:20 AM
PEERING THROUGH THE ~1400 MA OVERPRINT: RECENT INSIGHTS INTO THE TECTONIC EVOLUTION OF THE TUSAS MOUNTAINS, NORTHERN NEW MEXICO
KOPERA, Joseph P.1, DAVIS, Peter2, WILLIAMS, Michael L.1 and KARLSTROM, Karl E.3, (1)Department of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820, (2)Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, (3)Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, jkopera@geo.umass.edu, jkopera@geo.umass.edu
8
10:35 AM
GEOMETRY AND TIMING OF MOVEMENTS IN THE PROTEROZOIC MANZANO THRUST BELT, CENTRAL NEW MEXICO
BAER, S.H.1, KARLSTROM, K.E.1, WILLIAMS, M.L.2, JERCINOVIC, M.J.2, ROGERS, S.1 and SCHNEEFLOCK, F.2, (1)Earth and Planetary Science, Univ of New Mexico, Northrup Hall, Albuquerque, NM 87801, (2)Department of Geosciences, Univ of Massachusetts, Amherst, MA 01003, sbaer@unm.edu, sbaer@unm.edu
9
10:50 AM
PROTEROZOIC RHYOLITE-QUARTZITE SEQUENCES OF THE SOUTHWEST: SYNTECTONIC “COVER” AND STRATRIGRAPHIC BREAKS (~1695 AND ~1660 MA) BETWEEN OROGENIC PULSES
WILLIAMS, Michael L.1, KARLSTROM, Karl E.2, JESSUP, Micah3, JONES, Jamey4 and CONNELLY, Jim4, (1)Department of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820, (2)Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, (3)Earth and Planetary Sciences, Univ of New Mexico, 200 Yale Blvd. NE, Northrop Hall, Albuquerque, NM 87131, (4)Department of Geological Sciences, The Univ of Texas at Austin, 1 University Station C1140, Austin, TX 78712-0254, mlw@geo.umass.edu, mlw@geo.umass.edu
10
11:05 AM
PROTEROZOIC TECTONIC EVOLUTION OF THE NEW MEXICO- SOUTHERN COLORADO REGION: A SYNTHESIS
KARLSTROM, Karl E., Dept. of Earth & Planetary Sciences, Univ. of New Mexico, Northrop Hall, Albuquerque, NM 87131, WILLIAMS, Michael L., Department of Geosciences, Univ of Massachusetts, Morrill Science Center, 611 North Pleasant Street, Amherst, MA 01003-5820 and HEIZLER, Matthew T., New Mexico Bureau of Geology & Mineral Resources, New Mexico Institute of Mining & Technology, Socorro, NM 87801, kek1@unm.edu, kek1@unm.edu
 
11:20 AM
Discussion
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