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Rocky Mountain Section - 64th Annual Meeting (9–11 May 2012)

Session No. 15
Wednesday, 9 May 2012: 1:30 PM-4:30 PM
Alvarado A&B (Hotel Albuquerque)

T16. Paleoproterozoic Orogeny and Mesoproterozoic Enigmas: Constraints on the Formation, Assembly, and Evolution of the Precambrian Rocks in the Rockies II

GSA Geoinformatics Division; GSA Structural Geology & Tectonics Division

 

Christopher Andronicos and Christopher G. Daniel, Advocates
Paper #
Start Time
1
1:30 PM
DETRITAL ZIRCON DATA FROM THE MAZATZAL GROUP OF CENTRAL ARIZONA: INSIGHTS FROM NEWLY IDENTIFIED DISCONFORMITIES
DOE, Michael F., Department of Geology and Geologic Engineering, Colorado School of Mines, Golden, CO 80401, JONES III, James V., U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508 and KARLSTROM, Karl E., Earth and Planetary Science, University of New Mexico, Albuquerque, NM 87131, mdoe@mines.edu, mdoe@mines.edu
2
1:45 PM
EXOTIC MESOPROTEROZOIC (1.5-1.6 GA) DETRITAL ZIRCON FROM THE METAMORPHOSED PIEDRE LUMBRE FORMATION IN THE PICURIS MOUNTAINS, NEW MEXICO, USA: PROVENANCE AND TECTONIC IMPLICATIONS
PFEIFER, Lily S., Geology, University of Oklahoma, Norman, OK 73069, DANIEL, Christopher G., Department of Geology and Environmental Geosciences, Bucknell University, 1 Dent Drive, Lewisburg, PA 17837 and JONES III, James V., U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, cdaniel@bucknell.edu, cdaniel@bucknell.edu
3
2:00 PM
INVITED SPEAKER: TECTONIC CONNECTIONS BETWEEN DEFORMED AND METAMORPHOSED CA. 1.49–1.43 GA METASEDIMENTARY SUCCESSIONS IN SOUTHWESTERN LAURENTIA
JONES III, James V., U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, DANIEL, Christopher G., Department of Geology and Environmental Geosciences, Bucknell University, 1 Dent Drive, Lewisburg, PA 17837, DOE, Michael F., Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401 and KARLSTROM, Karl E., Earth and Planetary Science, University of New Mexico, Albuquerque, NM 87131, jvjones@usgs.gov, jvjones@usgs.gov
4
2:15 PM
PERSPECTIVES ON LITHOSPHERIC EVOLUTION IN SOUTHWESTERN LAURENTIA, AND PERSISTENT RESEARCH QUESTIONS
KARLSTROM, Karl E., Earth and Planetary Science, University of New Mexico, Albuquerque, NM 87131 and WILLIAMS, Michael L., Department of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant Street, Amherst, MA 01003, kek1@unm.edu, kek1@unm.edu
5
2:30 PM
CONTRASTING PRECAMBRIAN TECTONIC HISTORIES IN NORTHERN NEW MEXICO AND SOUTHERN COLORADO
ANDRONICOS, Christopher L., Earth and Atmospheric Sciences, Purdue University, West Lafayette, IN 47907, ARONOFF, Ruth F., Earth, Atmospheric, and Planetary Sciences Dept, Purdue University, West Lafayette, IN 47907, DANIEL, Christopher, Department of Geology, Bucknell University, Leiwsburg, PA 17837, HUNTER, Robert A., Earth and Atmospheric Sciences, Cornell University, 4154 Snee Hall, Ithaca, NY 14853, JONES III, James V., U.S. Geological Survey, 4200 University Drive, Anchorage, AK 99508 and VERVOORT, Jeff, School of the Environment, Washington State University, Pullman, WA 99164, candroni@purdue.edu, candroni@purdue.edu
 
2:45 PM
Break
6
3:15 PM
UNRAVELING THE MAZATZAL OROGENY: GEOCHRONOLOGICAL CONSTRAINTS AND SPECULATION ON THE NATURE AND TIMING OF PALEOPROTEROZOIC AND MESOPROTEROZOIC OROGENESIS IN THE PICURIS MOUNTAINS, NORTHERN NEW MEXICO, USA
DANIEL, Christopher G., Department of Geology and Environmental Geosciences, Bucknell University, 1 Dent Drive, Lewisburg, PA 17837, PFEIFER, Lily S., Geology, University of Oklahoma, Norman, OK 73069 and JONES III, James V., U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, cdaniel@bucknell.edu, cdaniel@bucknell.edu
7
3:30 PM
EXHUMING PRECAMBRIAN BASEMENT: PARSING THERMAL AND ALTERATION HISTORIES FROM 40AR/39AR K-FELDSPAR DATA
HEIZLER, Matthew T., New Mexico Bureau of Geology & Mineral Resources, New Mexico Institute of Mining & Technology, Socorro, NM 87801 and HEIZLER, Lynn L., New Mexico Bureau of Geology, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, matt@nmt.edu, matt@nmt.edu
 
3:45 PM
Discussion
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