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2002 Denver Annual Meeting (October 27-30, 2002)

Session No. 80
Monday, 28 October 2002: 8:00 AM-12:00 PM

T117. Rocky Mountains II: Lithospheric Structure and Evolution of Rocky Mountain Region, from Deep Mantle to Mountain Tops I

GSA Structural Geology and Tectonics Division

 

Karl E. Karlstrom and Michael L. Williams, Advocates
Paper #
Start Time
1
8:00 AM
OXYGEN AND STRONTIUM ISOTOPIC EVIDENCE FOR THE ABRUPT AND STEEPLY-DIPPING SUTURE BETWEEN LITHOSPHERIC PLATES IN THE IDAHO BATHOLITH
KING, E.M.1, BEARD, B.L.2, JOHNSON, C.M.2 and VALLEY, J.W.2, (1)Dept. of Geography-Geology, Illinois State Univ, Campus Box 4400, Normal, IL 61790-4400, (2)Department of Geology and Geophysics, Univ of Wisconsin, 1215 West Dayton Street, Madison, WI 53706, emking@ilstu.edu, emking@ilstu.edu
2
8:15 AM
AGE-CONSTRAINTS ON FABRIC REACTIVATION IN THE TUSAS RANGE, NORTHERN NEW MEXICO, USING ELECTRON-MICROPROBE MONAZITE GEOCHRONOLOGY: IMPLICATIONS FOR THE NATURE OF REGIONAL ~1400 GA DEFORMATION
KOPERA, Joseph P., Department of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820, WILLIAMS, Michael L., Dept. of Geosciences, Morrill Sci Ctr, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820 and JERCINOVIC, Michael J., Dept. of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820, jkopera@geo.umass.edu, jkopera@geo.umass.edu
3
8:30 AM
PARSING THE LONG-LIVED OROGEN: USING MICROSTRUCTURAL ANALYSIS AND MICROPROBE MONAZITE DATING TO CLARIFY THE PROTEROZOIC HISTORY OF SOUTHWESTERN NORTH AMERICA
WILLIAMS, Michael L., Department of Geosciences, Univ of Massachusetts, Morrill Science Center, 611 North Pleasant Street, Amherst, MA 01003-5820, JERCINOVIC, Michael J., Dept. of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820 and KARLSTROM, Karl E., Department of Earth and Planetary Science, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, mlw@geo.umass.edu, mlw@geo.umass.edu
4
8:45 AM
SLOW-COOLING OR REHEATING: CAN SW USA THERMOCHRONOLOGICAL DATA BE RECONCILED?
HEIZLER, Matthew T., New Mexico Bureau of Geology, 801 Leroy Place, Socorro, NM 87801, matt@nmt.edu, matt@nmt.edu
5
9:00 AM
PROTEROZOIC ULTRAMAFIC ROCKS IN SOUTHWESTERN NORTH AMERICA: DISTINGUISHING OPHIOLITES FROM ARC CUMULATES
LOW, P.C.1, SEAMAN, S.J.1, KARLSTROM, K.E.2 and WILLIAMS, M.L.1, (1)Department of Geosciences, Univ of Massachusetts, Amherst, MA 01003, (2)Department of Earth and Planetary Science, Univ of New Mexico, Northrup Hall, Albuquerque, NM 87131, low@geo.umass.edu, low@geo.umass.edu
6
9:15 AM
TECTONIC EVOLUTION OF THE BLACK CANYON OF THE GUNNISON, COLORADO: NEW U/PB GEOCHRONOLOGY AND EVIDENCE FOR BOTH PALEOPROTEROZOIC AND MESOPROTEROZOIC DEFORMATION AND METAMORPHISM
JESSUP, Micah1, KARLSTROM, Karl1, CONNELLY, James2, JONES, Jamey2 and WILLIAMS, Michael L.3, (1)Earth and Planetary Sciences, Univ of New Mexico, 200 Yale Blvd. NE, Northrop Hall, Albuquerque, NM 87131, (2)Dept. Geological Sciences, Univ of Texas at Austin, Austin, TX 78712, (3)Dept. of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820, micahjessup@hotmail.com, micahjessup@hotmail.com
7
9:30 AM
DEFORMATION HISTORY AND STRUCTURAL KINEMATICS OF A QUARTZITE-SCHIST SEQUENCE: IMPLICATIONS FOR PROTEROZOIC TECTONICS IN THE SOUTHERN ROCKY MOUNTAINS
MAI, Katrin and SMART, Kevin J., School of Geology & Geophysics, Univ of Oklahoma, 810 Sarkeys Energy Center, 100 E. Boyd Street, Norman, OK 73019-1009, Katrin.Mai-1@ou.edu, Katrin.Mai-1@ou.edu
8
9:45 AM
THE MESOPROTEROZOIC RECORD IN THE WET MOUNTAINS, COLORADO
SIDDOWAY, Christine S.1, JONES, Jamey2, WILLIAMS, Michael L.3, ANDRONICOS, Christopher L.4, CONNELLY, James2 and KARLSTROM, Karl E.5, (1)Geology Department, Colorado College, Colorado Springs, CO 80903, (2)Dept. Geological Sciences, Univ of Texas at Austin, Austin, TX 78712, (3)Dept. of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820, (4)Geological Sciences, The Univ of Texas at El Paso, El Paso, TX 79968, (5)Department of Earth and Planetary Science, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, csiddoway@ColoradoCollege.edu, csiddoway@ColoradoCollege.edu
 
10:00 AM
Break
9
10:15 AM
PROTEROZOIC AND PALEOZOIC ANCESTRY OF REGIONAL LARAMIDE FAULT NETWORKS: USING 40AR/39AR K-FELDSPAR THERMOCHRONOLOGY TO EVALUATE EARLY COOLING/EXHUMATION HISTORIES ACROSS DISCRETE FAULT ZONES
TIMMONS, J. Michael, Department of Earth and Planetary Sciences, Univ of New Mexico, 141 Northrop Hall, Albuquerque, NM 87131-1116, HEIZLER, Matt, New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Pl, Socorro, NM 87801 and KARLSTROM, Karl, Earth and Planetary Sciences, Univ of New Mexico, 200 Yale Blvd. NE, Northrop Hall, Albuquerque, NM 87131, mtimm@unm.edu, mtimm@unm.edu
10
10:30 AM
EARLY LARAMIDE DEFORMATION IN NORTHERN NEW MEXICO AND SOUTHERN COLORADO
CATHER, Steven M., New Mexico Bureau of Geology, New Mexico Tech, Socorro, NM 87801, steve@gis.nmt.edu, steve@gis.nmt.edu
11
10:45 AM
LARAMIDE KINEMATICS AND TECTONICS OF THE ROCKY MOUNTAINS
ERSLEV, Eric A. and BOLAY-KOENIG, Nicole, Department of Earth Resources, Colorado State Univ, Fort Collins, CO 80523, erslev@cnr.colostate.edu, erslev@cnr.colostate.edu
12
11:00 AM
CHARACTERISTICS OF BRITTLE DISTRIBUTED DEFORMATION ZONES IN PRECAMBRIAN CRYSTALLINE ROCKS OF THE CENTRAL COLORADO FRONT RANGE
CAINE, Jonathan, U.S. Geological Survey, PO Box 25046, MS 973, Denver, CO 80225-0046, jscaine@usgs.gov, jscaine@usgs.gov
13
11:15 AM
LITHOSPHERIC STRUCTURE AND EVOLUTION OF THE ROCKY MOUNTAINS-SUMMARY OF RESULTS OF THE CD-ROM (CONTINENTAL DYNAMICS OF THE ROCKY MOUNTAINS) EXPERIMENT
KARLSTROM, Karl and CD-ROM, Working Group, Earth and Planetary Sciences, Univ of New Mexico, 200 Yale Blvd. NE, Northrop Hall, Albuquerque, NM 87131, kek1@unm.edu, kek1@unm.edu
 
11:30 AM
Panel Discussion
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