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Rocky Mountain (53rd) and South-Central (35th) Sections, GSA, Joint Annual Meeting (April 29–May 2, 2001)

Session No. 3
Monday, 30 April 2001: 8:00 AM-12:00 PM

S11. Paleoproterozoic Tectonics of the Southwestern United States

 

Karl E. Karlstrom and Mike Williams, Conveners
Paper #
Start Time
0
8:00 AM
A TESTABLE HYPOTHESIS FOR THE DISTRIBUTION OF PALEOPROTEROZOIC PROVINCES ALONG THE SW MARGIN OF LAURENTIA: INSIGHTS FROM NW SONORA, MEXICO
IRIONDO, Alexander, USGS, MS 974, Box 25046, DFC, Denver, CO 80225 and PREMO, Wayne R., USGS, MS 963, Box 25046, DFC, Denver, CO 80225, iriondo@usgs.gov, iriondo@usgs.gov
0
8:15 AM
STRUCTURAL AND METAMORPHIC SIMILARITIES BETWEEN PROTEROZOIC ROCKS IN THE CERBAT AND HUALAPAI MOUNTAINS, NORTHWESTERN ARIZONA
DUEBENDORFER, Ernest M.1, HOISCH, Thomas D.1 and CHAMBERLAIN, Kevin R.2, (1)Department of Geology, Northern Arizona Univ, Flagstaff, AZ 86011, (2)Department of Geology and Geophysics, Univ of Wyoming, Laramie, WY 82071, ernie.d@nau.edu, ernie.d@nau.edu
0
8:30 AM
PUNCTUATED GRANITOID MAGMATISM AS CAUSE AND EFFECT OF PROTEROZOIC TECTONISM IN THE GRAND CANYON, ARIZONA
SEAMAN, S. J.1, WILLIAMS, M. L.1 and KARLSTROM, K. E.2, (1)Department of Geosciences, Univ of Massachusetts, Amherst, MA 01003, (2)Department of Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, sjs@geo.umass.edu, sjs@geo.umass.edu
0
8:45 AM
PROTEROZOIC CRUSTAL EVOLUTION IN THE PHOENIX MOUNTAINS, ARIZONA
REYNOLDS, Stephen J., JOHNSON, Julia K. and JONES, David A., Dept. of Geological Sciences, Arizona State Univ, Tempe, AZ 85287-1404, sreynolds@asu.edu, sreynolds@asu.edu
 
9:00 AM
Poster Summaries: Frey, James
 
9:15 AM
Poster Summaries: Allard, Kruckenberg, Nyb
0
9:30 AM
TECTONIC HISTORY OF THE PROTEROZOIC COLORADO PROVINCE, SOUTHERN ROCKY MOUNTAINS
SIMS, Paul K., US Geol Survey, MS 905, PO Box 25046, Denver, CO 80225-0046 and STEIN, Holly J., AIRIE Program, Department of Earth Rscs, Colorado State University, Fort Collins, CO 80523-1482, hstein@cnr.colostate.edu, hstein@cnr.colostate.edu
 
9:45 AM
Poster Summaries: Tyson, Jessup, Livaccari
 
10:00 AM
Break
0
10:15 AM
U-PB ZIRCON GEOCHRONOLOGY AND SM-ND SYSTEMATICS OF PALEOPROTEROZOIC ROCKS, MT. OURAY, COLORADO
EATON, Jonathan K., Geology, Carleton College, 300 N. College St, Northfield, MN 55057, BOARDMAN, Shelby J., Carleton College, 1 N College St, Northfield, MN 55057-4044 and BICKFORD, M. E., Dept. of Earth Sciences, Syracuse Univ, Syracuse, NY 13244, eatonj@carleton.edu, eatonj@carleton.edu
0
10:30 AM
TECTONIC SIGNIFICANCE OF AN EARLY PROTEROZOIC OPHIOLITE FRAGMENT IN THE COLORADO FRONT RANGE: REMNANT OF AN OCEANIC FRACTURE ZONE?
CAVOSIE, Aaron, Earth & Planetary Sciences, Univ of New Mexico, Northrop Hall, Albuquerque, NM 87131-1116 and SELVERSTONE, Jane, Univ New Mexico, 141 Northrop Hall, Albuquerque, NM 87131-1116, acavosie@unm.edu, acavosie@unm.edu
0
10:45 AM
MICROPROBE MONAZITE GEOCHRONOLOGY FROM THE MANZANO MOUNTAINS, NEW MEXICO: DISTINGUISHING STAGES IN A LONG-LIVED AND REACTIVATED OROGEN
WILLIAMS, Michael L.1, KARLSTROM, Karl E.2, JERCINOVIC, Michael J.3 and STEVENS, Liane3, (1)Department of Geosciences, Univ of Massachusetts, Amherst, MA 01002, (2)Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, (3)Department of Geosciences, Univ of Massachusetts, Morrill Science Center, 611 North Pleasant Street, Amherst, MA 01003-5820, mlw@geo.umass.edu, mlw@geo.umass.edu
 
11:00 AM
Poster Summaries: Melis, Simmons, Rogers
0
11:15 AM
GEOCHRONOLOGICAL AND THERMOCHRONOLOGICAL CONSTRAINTS ON PROTEROZOIC LITHOSPHERIC EVOLUTION OF THE SOUTHWESTERN U.S
BOWRING, Samuel A.1, MATZEL, Jennifer P.1, KARLSTROM, Karl E.2 and HAWKINS, David P.3, (1)EAPS, MIT, Cambridge, MA 02139, (2)Earth and Planetary Sciences, Univ of New Mexico, Albuquerque, NM 87131, (3)Geology and Geography, Denison Univ, Granville, OH 43023, sbowring@mit.edu, sbowring@mit.edu
 
11:30 AM
Discussion
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