Rocky Mountain Section - 65th Annual Meeting (15-17 May 2013)

Session No. 2
Wednesday, 15 May 2013: 8:30 AM-11:30 AM
North Conference Room (University Center)

T10. Cenozoic Magmatism of the San Juan Mountains: Plutons to Volcanoes

 

David A. Gonzales and Allen Stork, Advocates
Paper #
Start Time
 
8:30 AM
Introductory Remarks
1
8:35 AM
PETROGENESIS OF THE NAVAJO VOLCANIC FIELD: LESSONS FROM SOUTH AFRICAN KIMBERLITES
BELL, David R., School of Earth and Space Exploration, Arizona State university, PO Box 871404, Tempe, AZ 85287-1404, david.r.bell@asu.edu, david.r.bell@asu.edu
2
8:55 AM
PETROGENESIS OF PERALUMINOUS RHYOLITE OF THE NATHROP DOMES, CENTRAL COLORADO
WEGERT, Daniel J. and PARKER, Don F., Department of Geology, Baylor University, One Bear Place #97354, Waco, TX 76798-7354, Don_Parker@baylor.edu, Don_Parker@baylor.edu
3
9:15 AM
ANALYSIS AND INTERPRETATION OF CONGLOMERATE ALONG MAJOR RING FAULTS OF THE SILVERTON CALDERA, SAN JUAN MOUNTAINS, COLORADO
RAUCH, Crystal L., Geosciences, Colorado State University, 1482 Campus Delivery, Fort Collins, CO 80523-1482, crystalrauch@aol.com, crystalrauch@aol.com
 
9:35 AM
Break
4
9:55 AM
PETROLOGY AND GEOCHEMISTRY OF THE OLIGOCENE WEST ELK VOLCANIC CENTER, GUNNISON AND MONTROSE COUNTIES, COLORADO
STORK, Allen, Geology Department, Western State Colorado University, Gunnison, CO 81231, HEGER, Sarah E., Geology Department, Northern Arizona University, S. San Francisco Street, Flagstaff, AZ 86011 and HEGER, Andrew W., Geology, Colorado School of Mines, 1500 Illinois St, Golden, CO 80401, astork@western.edu, astork@western.edu
5
10:15 AM
PB, SR, AND ND ISOTOPIC INSIGHTS INTO THE ORIGINS OF THE SAN JUAN VOLCANIC FIELD
LAKE, Ethan, Department of Geological Sciences, University of Texas at Austin, 1 University Station C9000, Austin, TX 78712 and FARMER, G. Lang, Department of Geological Sciences, University of Colorado, Boulder, CO 80309, etlake@mail.utexas.edu, etlake@mail.utexas.edu
6
10:35 AM
NEW AGE CONSTRAINTS ON MIDDLE TO LATE CENOZOIC PLUTONS IN THE WESTERN SAN JUAN MOUNTAINS, SOUTHWESTERN COLORADO: IMPLICATIONS FOR LANDSCAPE EVOLUTION
GONZALES, David A., Department of Geosciences, Fort Lewis College, 1000 Rim Drive, Durango, CO 81301, gonzales_d@fortlewis.edu, gonzales_d@fortlewis.edu
 
10:55 AM
Discussion
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