Rocky Mountain - 55th Annual Meeting (May 7-9, 2003)
Session No. 15 Friday, May 9, 2003
8:30 AM-11:35 AM, Fort Lewis College: Noble Hall 130

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, Presiding
 Paper #Start Time
 8:30 AM Introductory Remarks
15-18:35 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, ewdb92@yahoo.com, (2) Geology & Geophysics Department, Univ of Wyoming, Laramie, WY 82071-3006
15-28:50 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.
15-39:05 AM PALEOPROTEROZOIC AND MESOPROTEROZOIC GRANITIC MAGMATISM IN THE CENTRAL SANGRE DE CRISTO MOUNTAINS, SOUTHERN COLORADO: JONES, James V. III and CONNELLY, James N., Department of Geological Sciences, Univ of Texas at Austin, Austin, TX 78712, jvjones@mail.utexas.edu
15-49:20 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, chris@geo.utep.edu and CARRICK, Tina L., Department of Geological Sciences, Univ of Texas at El Paso, 500 W University Ave, El Paso, TX 79968
15-59:35 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.
 9:50 AM Break
15-610:05 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, gdumond@geo.umass.edu, 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
15-710:20 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, jkopera@geo.umass.edu, (2) Geology & Geophysics, Univ of Minnesota, Minneapolis, MN 55455, (3) Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131
15-810:35 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, sbaer@unm.edu, (2) Department of Geosciences, Univ of Massachusetts, Amherst, MA 01003
15-910:50 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, mlw@geo.umass.edu, (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
15-1011:05 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, kek1@unm.edu, WILLIAMS, Michael L., Department of Geosciences, Univ of Massachusetts, Morrill Science Center, 611 North Pleasant Street, Amherst, MA 01003-5820, and HEIZLER, Matt, New Mexico Bureau of Geology & Mineral Resources, New Mexico Institute of Mining & Technology, Socorro, NM 87801
 11:20 AM Discussion

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