Session: Evaluation of Proterozoic Tectonic Styles in North America and Their Influence on Phanerozoic Structures and Mineralization (Posters) (GSA Connects 2022 meeting in Denver, Colorado)

Session No. 31

Sunday, 9 October 2022: 9:00 AM-1:00 PM

Exhibit Hall F (Colorado Convention Center)

T35. Evaluation of Proterozoic Tectonic Styles in North America and Their Influence on Phanerozoic Structures and Mineralization (Posters)

GSA Structural Geology and Tectonics Division; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Geophysics and Geodynamics Division

Authors will be present from 11 AM to 1 PM.

Paper #

Booth #

31-1

149

PROVENANCE PATTERNS AND TECTONIC STYLES OF CA. 2.3–1.8 GA METASEDIMENTARY STRATA IN NORTHERN MICHIGAN BASED ON REGIONAL MAPPING AND DETRITAL ZIRCON U-PB GEOCHRONOLOGY

JONES III, James V., Alaska Science Center, U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, CANNON, William, U.S. Geological Survey, Geology, Energy, and Minerals Science Center, Reston, VA 20192-0001, DRENTH, Benjamin, U.S. Geological Survey, Geology, Geophysics, and Geochemistry Science Center, W 6th Ave Kipling St, PO Box 25046, MS 964, Denver, CO 80225 and O'SULLIVAN, Paul, GeoSeps Services, Viola, ID 87872-9709

31-2

150

THREE PROTEROZOIC METAMORPHIC EPISODES AND 1.70-1.65 GA AGE OF THE UNCOMPAHGRE FORMATION CONSTRAINED BY MONAZITE AND XENOTIME PETROCHRONOLOGY, NEEDLE MOUNTAINS, COLORADO

HILLENBRAND, Ian¹, WILLIAMS, Michael L.², KARLSTROM, Karl³, JERCINOVIC, M.J.⁴, GILMER, Amy K.¹, LOWERS, Heather⁵, SUAREZ, Kaitlyn A.⁶ and SOUDERS, Kate⁷, (1)Geosciences and Environmental Change Science Center, U.S. Geological Survey, PO Box 25046 MS 980, Denver, CO 80225, (2)Department of Geosciences, University of Massachusetts Amherst, 627 N Pleasant St, Amherst, MA 01003, (3)Department of Earth and Planetary Sciences, University of New Mexico, Northrop Hall, MSCO3-2040, 1 University of New Mexico, Albuquerque, NM 87131, (4)Department of Geosciences, University of Massachusetts, Amherst, 627 N Pleasant St, Amherst, MA 01003-9354, (5)U.S. Geological Survey, Box 25046, M.S. 973, Denver Federal Center, Denver, CO 80225, (6)Department of Geosciences, University of Massachusetts, Amherst, 611 North Pleasant Street, Amherst, MA 01003, (7)U.S. Geological Survey, Denver, CO 80225

31-3

151

CONSTRAINING THE REGIONAL IMPACT OF THE MESOPROTEROZOIC PICURIS OROGEN USING HIGH-TEMPERATURE DEFORMATION AND METAMORPHISM IN THE WET MOUNTAINS, COLORADO, USA

MORSE, Sarah and DUMOND, Gregory, Department of Geosciences, University of Arkansas, 340 North Campus Drive, Fayetteville, AR 72701

31-4

152

REINVESTIGATION OF THE SEDIMENTARY PROCESSES, DEPOSITIONAL ENVIRONMENTS, AND PROVENANCE OF THE MESOPROTEROZOIC LAHOOD FORMATION IN JEFFERSON CANYON, MONTANA

BAIRD, Chris, Department of Earth Sciences, Montana State University, Bozeman, MT 59717, ORME, Devon, Department of Earth Sciences, Montana State University, PO Box 173480, Bozeman, MT 59717-3480, MALKOWSKI, Matthew A., Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO 80401 and RONEMUS, Chance, Department of Geosciences, University of Arizona, 1040 E. 4th Street, Tucson, AZ 85721

31-5

153

LATE CRETACEOUS EXHUMATION OF THE LITTLE BELT MOUNTAINS IN RELATION TO REGIONAL DEVELOPMENT OF THE HELENA SALIENT, WEST-CENTRAL MONTANA, USA

HOWLETT, Caden, JEPSON, Gilby, CARRAPA, Barbara and DECELLES, Peter, Department of Geosciences, University of Arizona, Tucson, AZ 85721

31-6

154

PALEOPROTEROZOIC CRUSTAL EVOLUTION OF THE COLORADO FRONT RANGE: COMBINED U-PB, HF AND OXYGEN ISOTOPE EVIDENCE FROM MAGMATIC ZIRCON

MÖLLER, Andreas, Department of Geology, University of Kansas, 1414 Naismith Dr., Rm 254, Lawrence, KS 66045, Lawerence, KS 66045, PREMO, W.R., U.S. Geological Survey, MS 963, Denver, CO 80225-0046, BAUMGARTNER, Lukas P., University of Lausanne, Institute of Earth Sciences, Lausanne, 1015, Switzerland, KELLY, Nigel, Bruker Nano Analytics, 5465 E. Cheryl Parkway, Madison, SC 53711, KOOIJMAN, Ellen, Department of Geosciences, Swedish Museum of Natural History, Stockholm, 11418, Sweden and BOUVIER, Anne-Sophie, Institute of Earth Sciences, University of Lausanne, Lausanne, CH-1015, Switzerland

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