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GSA 2020 Connects Online

Session No. 162
Wednesday, 28 October 2020: 5:30 PM-8:00 PM

T39. Granulite Terranes and Evolution of Continental Lower Crust: Insights from the Canadian Shield and Beyond II

GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; GSA Structural Geology and Tectonics Division; GSA Geochronology Division; GSA International

 

Gregory Dumond, Kevin H. Mahan and Philippe Goncalves, Advocates
Paper #
Start Time
162-1
5:30 PM
LOWER CRUSTAL ALUMINOUS XENOLITHS FROM THE MOJAVE DESERT, CALIFORNIA
COSTELLO, Kirsten E., INDARES, Aphrodite and HANCHAR, John M., Dept of Earth Sciences, Memorial University of Newfoundland, 9 Arctic Ave., Room 4063, Alexander Murray Building, St John's, NF A1B 3X5, Canada
162-2
5:45 PM
ACTIVE ULTRA-HIGH TEMPERATURE METAMORPHISM IN THE LOWER CRUST OF THE RIO GRANDE RIFT, NM
CIPAR, Jacob, Department of Geosciences, Pennsylvania State University, University Park, PA 16802, GARBER, Joshua M., Department of Geosciences, The Pennsylvania State University, 441 Deike Building, University Park, PA 16802 and SMYE, Andrew J., Department of Geosciences, Pennsylvania State University, 407 Deike, University Park, PA 16802
162-3
6:00 PM
EVIDENCE FOR EXTENSIVE MELT-PRESENT DEFORMATION AND DISMEMBERING OF THE OVERLYING ALLOCHTHONOUS CRUST DURING LATE-GRENVILLIAN OROGENIC FLOW
LAMBERT, Christopher W., Civil, geological, mining engineering, Polytechnique, Montréal, 2900, boul. Édouard-Montpetit, Campus de l'Université de Montréal, Montreal, QC H3T 1J4, Canada, GERVAIS, Felix, Civil, geological, mining engineering, Polytechnique Montreal, 2900, boul. Édouard-Montpetit, Campus de l'Université de Montréal, 2500, chemin de Polytechnique, Montreal, QC H3T 1J4, Canada, CROWLEY, James L., Department of Geosciences, Boise State University, Boise, ID 83725 and MOUKHSIL, Abdelali, Ministère de l'Énergie et des Ressources naturelles, Quebec, QC G1H 6R1
 
6:15 PM
Discussion
162-4
6:30 PM
GARNET CHEMICAL ZONATION IN HIGH-PRESSURE MAFIC MIGMATITES IN THE NORTHERN KAPUSKASING STRUCTURAL ZONE, ONTARIO, CANADA
ESTRADA, Nicolas, TINKHAM, Douglas K. and JORGENSEN, Taus, Harquail School of Earth Sciences and Mineral Exploration Research Center, Laurentian University, 935 Ramsey Lake Road, Sudbury, ON P3E 2C6, Canada
162-5
6:45 PM
METAMORPHIC P-T CONDITION OF A MAFIC META-INTRUSION IN HUNTSVILLE, ONTARIO
VILLARIN, Jan, Department of Earth Sciences, University of Toronto, 22 Russell Street, Toronto, ON M5S3B1, Canada, CHU, Xu, Department of Earth Sciences, University of Toronto, 22 Russell St, Toronto, ON M5S3B1, Canada and ZOU, Yi, Institute of Geology and Geophysics, Chinese Academy of Science, Beijing, 100029, China
162-6
6:55 PM
CRUSTAL GROWTH AT DEPTH: TRACING THE EVOLUTION OF SUBDUCTION RELATED MAGMAS THROUGH MULTIPLE STAGES OF MAGMATISM USING HF ISOTOPES AND TEXTURAL RELATIONS, CHELAN MIGMATITE COMPLEX, NORTH CASCADES, WASHINGTON, USA
KJELLAND, Megan1, MATTINSON, Christopher G.2, VAN LAETHEM, Jared1, KROHN, Rebekah1, KYLANDER-CLARK, Andrew3 and SHEA, E.K.4, (1)Central Washington University, Ellensburg, WA 98926, (2)Geological Sciences, Central Washington University, 400 E University Way, MS 7418, Ellensburg, WA 98926, (3)Dept. of Earth Science, UC Santa Barbara, Santa Barbara, CA 93106-9630, (4)Geology, San Jose State University, One Washington Square, San Jose, CA 95192-0102
 
7:05 PM
Concluding Remarks
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