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| | 1:30 PM | Introductory Remarks |
| 173-1 | 1:35 PM | BASEMENT ACCRETIONARY PROCESSES - PRECURSOR TO THE TECTONIC REACTIVATION HISTORY OF THE ROCKIES AND ADJOINING REGIONS: CARLSON, Marvin P., Nebraska Geological Survey, Univ of Nebraska-Lincoln, 102 NH, Lincoln, NE 68588-0517, mcarlson1@unl.edu. |
| 173-2 | 1:50 PM | TECTONIC HEREDITY IN THE GRAND CANYON AND IMPLICATIONS FOR TIBETAN-SCALE MESOPROTEROZOIC INTRA-CONTINENTAL DEFORMATION IN THE SOUTHWESTERN UNITED STATES: DUMOND, Gregory1, WILLIAMS, Michael1, MAHAN, Kevin2, KARLSTROM, Karl E.3, and HEIZLER, Matthew T.4, (1) Department of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-9297, gdumond@geo.umass.edu, (2) Department of Geosciences, Univ of Massachusetts, Amherst, MA 01003-9297, (3) Dept. of Earth & Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, (4) New Mexico Bureau of Mines and Mineral Resources, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801 |
| 173-3 | 2:05 PM | METAMORPHIC HISTORY OF THE UPPER GRANITE GORGE, GRAND CANYON, ARIZONA, AND IMPLICATIONS FOR THE SIGNIFICANCE OF DOMAIN BOUNDARIES IN THE YAVAPAI/MAZATZAL OROGEN: MAHAN, Kevin H.1, DUMOND, Gregory1, WILLIAMS, Michael1, JERCINOVIC, Michael1, and KARLSTROM, Karl E.2, (1) Geosciences, Univ of Massachusetts, 611 N. Pleasant St, Amherst, MA 01003, kmahan@geo.umass.edu, (2) Dept. of Earth & Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131 |
| 173-4 | 2:20 PM | ADDING “TIME” TO THE EARTHSCOPE IMAGE: PETROLOGIC ANALYSIS, STRUCTURAL ANALYSIS, AND MONAZITE GEOCHRONOLOGY OF THE PROTEROZOIC CRUST: WILLIAMS, Michael L., Department of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-5820, mlw@geo.umass.edu, JERCINOVIC, Michael J., Department of Geosciences, Univ of Massachusetts, Morrill Science Center, 611 North Pleasant Street, Amherst, MA 01003-5820, KARLSTROM, Karl E., Dept. of Earth & Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131, MAHAN, Kevin, Department of Geosciences, Univ of Massachusetts, Amherst, MA 01003-9297, and DUMOND, Gregory, Department of Geosciences, Univ of Massachusetts, 611 North Pleasant Street, Amherst, MA 01003-9297 |
| 173-5 | 2:35 PM | PROGRESSIVE PROTEROZOIC GROWTH OF SOUTHERN LAURENTIA BY MAGMATIC STABILIZATION OF LITHOSPHERE: WHITMEYER, Steven J., Earth and Planetary Sciences, Univ of New Mexico, Northrup Hall, Room 141, MSC 03 2040, Albuquerque, NM 87131-0001, stevenw@unm.edu and KARLSTROM, Karl, Earth and Planetary Sciences, Univ of New Mexico, 200 Yale Blvd NE, Northrop Hall, Albuquerque, NM 87131 |
| 173-6 | 2:50 PM | NEW INSIGHTS INTO THE PROTEROZOIC EVOLUTION OF THE WESTERN MARGIN OF LAURENTIA AND THEIR TECTONIC IMPLICATIONS: MUELLER, Paul1, FOSTER, David1, MOGK, David2, and WOODEN, Joseph3, (1) Department of Geology, Univ of Florida, Gainesville, FL 32611, mueller@geology.ufl.edu, (2) Earth Sciences, Montana State Univ, Bozeman, MT 59717, (3) USGS-SUMAC, Stanford Univ, Stanford, CA 94305-2220 |
| 173-7 | 3:05 PM | NEW U-PB DATES OF SYN-DEFORMATIONAL MINERALS THAT DIRECTLY DATE MULTIPLE TECTONIC EVENTS AT 1.75 AND 1.62 GA ALONG THE CHEYENNE BELT SUTURE ZONE, SOUTHEASTERN WYOMING: STRICKLAND, Diana, Geology and Geophysics, Univ of Wyoming, PO box 3006, Laramie, WY 82071-3006, stricklanddiana@msn.com, CHAMBERLAIN, Kevin, Geology & Geophysics Department, Univ of Wyoming, Laramie, WY 82071-3006, and DUEBENDORFER, Ernest, Department of Geology, Northern Arizona Univ, Flagstaff, AZ 86011 |
| 173-8 | 3:20 PM | STRUCTURAL AND THERMOCHRONOLOGIC EVIDENCE FOR A CA. 1.6 GA CONTRACTIONAL EVENT IN SOUTHERN WYOMING: DUEBENDORFER, Ernest, Department of Geology, Northern Arizona Univ, Flagstaff, AZ 86011, Ernie.D@nau.edu, CHAMBERLAIN, Kevin, Geology & Geophysics Department, Univ of Wyoming, Laramie, WY 82071-3006, HEIZLER, Matt, New Mexico Bureau of Geology & Mineral Resources, New Mexico Institute of Mining & Technology, Socorro, NM 87801, and HARPER, Kathleen, Department of Geology and Geophysics, Univ of Wyoming, P.O. Box 3006, Laramie, WY 82701 |
| | 3:35 PM | Break |
| 173-9 | 3:50 PM | BRITTLE AND PLASTIC DEFORMATION IN THE HOMESTAKE SHEAR ZONE, COLORADO: IMPLICATIONS FOR DEFORMATION PROCESSES IN THE MIDDLE CRUST AND THE EVOLUTION OF THE COLORADO MINERAL BELT: SHAW, Colin A., Geology, Univ of Wisconsin, Eau Claire, 105 Garfield Ave, Eau Claire, WI 54702-4004, shawca@uwec.edu and ALLEN, Joseph L., Division of Natural Sciences, Concord College, Campus Box 19, Concord College, Athens, WV 24712 |
| 173-10 | 4:05 PM | CIRCA 1.4 GA PENETRATIVE DEFORMATION IN THE SOUTHERN WET MOUNTAINS, COLORADO: IMPLICATIONS FOR MESOPROTEROZOIC INTRACONTINENTAL TECTONISM ACROSS THE SOUTHERN ROCKY MOUNTAINS: JONES, James V. III1, SIDDOWAY, Christine S.2, CONNELLY, James N.1, PERKINS, George2, and CALLAHAN, Owen3, (1) Department of Geological Sciences, Univ of Texas at Austin, Austin, TX 78712, jvjones@mail.utexas.edu, (2) Geology Department, Colorado College, Colorado Springs, CO 80903, (3) School of Natural Science, Hampshire College, Amherst, MA 01002 |
| 173-11 | 4:20 PM | AUREOLE STRUCTURE OF 1.4 GA PLUTONS AND THEIR TECTONIC SIGNIFICANCE: DEAN, Robert, Montgomery College, 51 Mannakee Street, Rockville, MD 20850, rdean@utep.edu and ANDRONICOS, Christopher L., Department of Geological Sciences, Univ of Texas at El Paso, 500 W University Ave, El Paso, TX 79968 |
| 173-12 | 4:35 PM | THE EVOLUTION OF LAURENTIA AS DOCUMENTED BY 40AR/39AR THERMOCHRONOLOGY STUDIES: HEIZLER, Matthew T.1, KARLSTROM, Karl E.2, SHAW, Colin A.3, TIMMONS, J. Michael1, and SANDERS, Robert E.4, (1) New Mexico Bureau of Geology, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, matt@nmt.edu, (2) Dept. Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, kek1@unm.edu, (3) Department of Geology, Univ. Wisconsin, Eau Claire, 105 Garfield Ave, Eau Claire, WI 54702, (4) Dept. of Earth and Environmental Sci, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801 |
| 173-13 | 4:50 PM | PROVENANCE AND GEOCHRONOLOGY OF MESOPROTEROZOIC SEDIMENTARY ROCKS FROM ACROSS THE SOUTHWEST UNITED STATES REVEALED BY 40AR/39AR DATING OF DETRITAL MUSCOVITES: FLETCHER, K.E.1, HEIZLER, M.T.2, KARLSTROM, Karl E.3, TIMMONS, J.M.2, CROSSEY, L.J.3, and BLOCH, J.D.3, (1) Earth and Environmental Sciences, New Mexico Institute of Mining and Technology, Socorro, NM 87801, kathrynf@nmt.edu, (2) NM Bureau of Mines, Socorro, NM 87801, (3) Department of Earth and Planetary Science, Univ of New Mexico, Northrup Hall, Albuquerque, NM 87131 |
| 173-14 | 5:05 PM | BASEMENT EXHUMATION, FAULT REACTIVATION, AND K-METASOMATISM IN THE SOUTHERN SANGRE DE CRISTO RANGE, NEW MEXICO: 40AR/39AR INSIGHTS INTO NEOPROTEROZOIC TECTONISM AND CRUSTAL FLUID FLOW: SANDERS, Robert E.1, MELIS, Erwin A.1, HEIZLER, Matthew T.1, GOODWIN, Laurel B.1, and CHAMBERLAIN, Kevin R.2, (1) Department of Earth and Environmental Science, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, sanders@nmt.edu, (2) Department of Geology and Geophysics, Univ of Wyoming, Dept 3006, 1000 University Ave, Laramie, WY 82071 |
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