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| | 1:30 PM | Introductory Remarks |
| 45-1 | 1:35 PM | A HEARTBREAKING STREAM OF STAGGERING COMPLEXITY: WHAT THE PIONEER GEOLOGISTS KNEW AND DIDN'T KNOW; WHAT WE KNOW AND DON'T*: POWELL, James L., 1220 Poppy Valley Road, Buellton, CA 93427, jpowell@usc.edu |
| 45-2 | 1:55 PM | A SUMMARY OF IDEAS ON THE TIMING AND DISTRIBUTION OF ROCK AND SURFACE UPLIFT ACROSS THE COLORADO PLATEAU: ROY, Mousumi, Earth and Planetary Sciences, University of New Mexico, Albuquerque, NM 87131, mroy@unm.edu |
| 45-3 | 2:15 PM | THERMOCHRONOMETRIC CONSTRAINTS ON TERTIARY EROSIONAL EXHUMATION AND INCISION OF THE COLORADO PLATEAU – A PROGRESS REPORT: STOCKLI, Daniel F., Dept. of Geology, Univ. of Kansas, Lawrence, KS 66045, stockli@ku.edu |
| 45-4 | 2:30 PM | DOES THE MUDDY CREEK FORMATION SUPPORT AN ALTERNATIVE EXPLANATION FOR THE EVOLUTION OF A PRE-COLORADO RIVER CANYON?: YOUNG, Richard A., Geological Sciences, State University of NY at Geneseo, 1 College Circle, Geneseo, NY 14454, young@geneseo.edu |
| 45-5 | 2:45 PM | THE LAST-STANDING HYPOTHESIS ABOUT THE PATH AND INTEGRATION OF THE LATE MIOCENE COLORADO RIVER OFF THE COLORADO PLATEAU: PEDERSON, Joel, Geology, utah state univeristy, 4505 old main hill, logan, UT 84322, bolo@cc.usu.edu |
| 45-6 | 3:00 PM | TERMINAL MIOCENE ARRIVAL OF COLORADO RIVER SAND IN THE SALTON TROUGH, SOUTHERN CALIFORNIA: IMPLICATIONS FOR INITIATION OF THE LOWER COLORADO RIVER DRAINAGE: DORSEY, Rebecca J.1, FLUETTE, Amy2, MCDOUGALL, Kristin3, HOUSEN, Bernard A.2, and JANECKE, Susanne U.4, (1) Dept. of Geological Sciences, 1272 University of Oregon, Eugene, OR 97403-1272, rdorsey@uoregon.edu, (2) Dept. of Geology (ES 236), 516 High St, Western Washington University, Bellingham, WA 98225-9080, (3) Flagstaff Science Center, U. S. Geological Survey, 2255 N. Gemini Dr, Flagstaff, AZ 86001, (4) Dept. of Geology, 4505 Old Main Hill, Utah State University, Logan, UT 84322-4505 |
| 45-7 | 3:20 PM | SOME EVIDENCE FOR A LACUSTRINE ORIGIN FOR THE LOWER PLIOCENE BOUSE FORMATION, LOWER COLORADO RIVER VALLEY, SOUTHWESTERN U.S.A: SPENCER, Jon E.1, PEARTHREE, Philip A.1, PATCHETT, P. Jonathan2, and HOUSE, P. Kyle3, (1) Arizona Geol Survey, 416 W. Congress Street, Suite 100, Tucson, AZ 85701, jon.spencer@azgs.az.gov, (2) Geosciences, University of Arizona, Tucson, AZ 85704, (3) Nevada Bureau of Mines and Geology, Univ of Nevada, Reno, NV 89557-0088 |
| | 3:40 PM | Break |
| 45-8 | 3:55 PM | TEPHROCHRONOLOGIC AND STRATIGRAPHIC CONSTRAINTS ON THE INCEPTION AND EARLY EVOLUTION OF THE LOWER COLORADO RIVER SUPPORT LACUSTRINE OVERFLOW AS THE PRINCIPAL FORMATIVE MECHANISM: HOUSE, P. Kyle, Nevada Bureau of Mines and Geology, Univ of Nevada, Reno, NV 89557, khouse@unr.edu, PEARTHREE, Philip, Arizona Geological Survey, 416 W. Congress St. #100, Tucson, AZ 85701, and PERKINS, Michael, Department of Geology and Geophysics, University of Utah, Salt Lake City, UT 84112 |
| 45-9 | 4:10 PM | EPISODIC INCISION OF COLORADO RIVER IN GLEN CANYON, UTAH: GARVIN, Cristofer D., POBox 5120, Santa Monica, CA 90409, CDGarvin@Alum.Dartmouth.org, HANKS, Thomas C., United States Geological Survey, Menlo Park, 94025, FINKEL, Robert C., Lawrence Livermore National Laboratory, Livermore, 94550, and HEIMSATH, Arjun M., Dartmouth College, Hanover, 03755 |
| 45-10 | 4:25 PM | RATES OF FLUVIAL INCISION AND LANDSCAPE EVOLUTION IN THE FREMONT RIVER BASIN, NORTHWESTERN COLORADO PLATEAU: MARCHETTI, David W., Department of Geology and Geophysics, University of Utah, 135 S 1460 E Room 719, Salt Lake City, UT 84112, dwmarche@mines.utah.edu, DOHRENWEND, John C., Southwest Satellite Imaging, PO Box 141, 223 South State Street, Teasdale, UT 84773-0141, and CERLING, Thure E., Geology and Geophysics, Univ of Utah, 135 S 1460 E Room 719, Salt Lake City, UT 84112 |
| 45-11 | 4:40 PM | ANALYSIS OF COMPOSITE MEGALANDSLIDES IN THE COLORADO RIVER CORRIDOR, ARIZONA: WATKINS, Conor and ROGERS, J. David, Dept. of Geological Sciences And Engineering, University of Missouri - Rolla, 129 McNutt Hall, 1870 Miner Circle, Rolla, MO 65409, cwatkin@umr.edu |
| 45-12 | 4:55 PM | LUMINESCENCE GEOCHRONOLOGY AND CORRELATIONS OF TERRACE DEPOSITS OF COLORADO RIVER TRIBUTARIES WITHIN THE GRAND CANYON AND GRAND WASH TROUGH, NORTHWESTERN ARIZONA: RITTENOUR, Tammy M., Department of Geology, Utah State University, Logan, UT 84322, tammyr@cc.usu.edu, SHARP, Warren, Berkeley Geochronology Center, Berkeley, CA 94709, PEDERSON, Joel, Geology, utah state univeristy, 4505 old main hill, logan, UT 84322, and KARLSTROM, Karl, Earth and Planetary Sciences, University of New Mexico, Northrop Hall, MSCO3-2040; 1 University of New Mexico, Albuquerque, NM 87131-0001 |
| 45-13 | 5:10 PM | ALLUVIAL FAN RESPONSE TO CLIMATE CHANGE ALONG THE LOWER COLORADO RIVER: HANSON, Paul R., Department of Geosciences, Univ of Nebraska-Lincoln, 214 Bessey Hall, P.O. Box 880340, Lincoln, NE 68588-0340, phanson4@bigred.unl.edu |
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