Chairs: Bradley R Hacker, University of California Santa Barbara, Department of Earth Science, Santa Barbara, CA, United States and Matthew J Kohn, Boise State University, Department of Geosciences, Boise, United States
Primary Convener: Martin Engi, Univ Bern, Bern, Switzerland
Co-conveners: Bradley R Hacker, University of California Santa Barbara, Santa Barbara, CA, United States, Matthew J Kohn, Boise State University, Department of Geosciences, Boise, United States and Pierre Lanari, University of Bern, Institute of Geological Sciences, Bern, Switzerland
OSPA Liaison: Pierre Lanari, University of Bern, Institute of Geological Sciences, Bern, Switzerland
40Ar/39Ar incremental heating experiments on celadonite from the Skessa Tuff, eastern Iceland: Thermochronology of low-temperature alteration of a flood basalt pile during burial metamorphism (26317)
Morten S Riishuus, University of Iceland, Reykjavik, Iceland, Daniel P Miggins, Oregon State University, Corvallis, OR, United States, Anthony A P Koppers, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, United States and Robert A Duncan, Oregon State University, College of Earth, Ocean and Atmospheric Sciences, Corvallis, OR, United States
2.69-2.68 Ga granulite facies metamorphism in the Wyoming Craton revealed by Sm-Nd garnet geochronology and trace element zoning, eastern Beartooth Mountains, Montana and Wyoming, USA (30514)
Victor Guevara, Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, Dr. Besim Dragovic, Ph.D., University of South Carolina, Columbia, SC, United States, Mark J Caddick, Virginia Tech, Blacksburg, VA, United States and Ethan F Baxter, Boston University, Boston, MA, United States
Radiogenic heating to ultrahigh temperature: Geochronology and 4+ thermometry across southern Madagascar (16640)
Forrest Horton, Woods Hole Oceanographic Institution, Department of Geology & Geophysics, Woods Hole, United States, Bradley R Hacker, University of California Santa Barbara, Department of Earth Science, Santa Barbara, CA, United States and Andrew R Kylander-Clark, UC Santa Barbara, Department of Earth Science, Santa Barbara, United States
Lu-Hf Garnet Geochronology Reveals the Tectonic History of Precambrian Rocks in the Southern Rocky Mountains (31512)
Ruth Aronoff, Purdue Univ, Lafayette, IN, United States, Christopher Andronicos, Purdue University, Department of Earth, Atmospheric, and Planetary Sciences, West Lafayette, United States, Jeffrey D. Vervoort, Washington State University, School of the Environment, Pullman, WA, United States and Robert A Hunter, Shell Houston, Houston, TX, United States
Monazite trace-element and isotopic signatures of high-pressure metamorphism: examples from the Western Gneiss region, Norway (14104)
Robert M Holder, University of Michigan, Department of Earth and Environmental Sciences, Ann Arbor, United States, Bradley R Hacker, University of California Santa Barbara, Department of Earth Science, Santa Barbara, CA, United States, Andrew R Kylander-Clark, University of California Santa Barbara, Earth Science, Santa Barbara, United States and John M Cottle, University of California Santa Barbara, Santa Barbara, United States
Unraveling the polymetamorphic history of garnet-bearing metabasites: Insights from the North Motagua Mélange (Guatemala Suture Zone) (18005)
Guillaume Bonnet1,2, Kennet E Flores3, Celine Martin4 and George E Harlow2, (1)Ecole Normale Supérieure Paris, Paris, France, (2)American Museum of Natural History, New York, NY, United States, (3)University of North Carolina at Chapel Hill, Department of Earth, Marine and Environmental Sciences, Chapel Hill, NC, United States, (4)American Museum of Natural History, Department of Earth and Planetary Sciences, New York, NY, United States
Metamorphic evolution of high-pressure–low-temperature rocks from the northern section of the Guatemala Suture Zone: PTt paths and tectonic implications (29128)
Kennet E Flores1, Sidney R Hemming2, George E Harlow3, Yue Cai4, Guillaume Bonnet3,5, Celine Martin6 and Hannes K Brueckner2, (1)University of North Carolina at Chapel Hill, Department of Earth, Marine and Environmental Sciences, Chapel Hill, NC, United States, (2)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (3)American Museum of Natural History, New York, NY, United States, (4)Lamont-Doherty Earth Observatory, Palisades, United States, (5)Ecole Normale Supérieure Paris, Paris, France, (6)American Museum of Natural History, Department of Earth and Planetary Sciences, New York, NY, United States
A 30 Myr record of retrograde metamorphism and multiple generations of monazite and garnet in western MA revealed by coordinated LASS and EPMA (13849)
Emily M Peterman1, Zachary F.M. Burton1, Jeffrey Noble Rubel2, David R Snoeyenbos3 and Andrew R Kylander-Clark4, (1)Bowdoin College, Earth & Oceanographic Science, Brunswick, ME, United States, (2)Williams College, Geology, Williamstown, MA, United States, (3)University of Massachusetts Amherst, Geosciences, Amherst, MA, United States, (4)UC Santa Barbara, Department of Earth Science, Santa Barbara, United States
>2500-km-Long Contemporaneous Deep Continental Subduction in the West Gondwana Orogen (14274)
Daniela Rubatto1, Carlos E Ganade de Araujo2,3, Joerg Hermann4, Umberto Giuseppe Cordani3, Renaud Caby5 and Miguel Angelo A. S. Stipp Basei3, (1)Australian National University, Research School of Earth Sciences, Canberra, Australia, (2)Geological Survey of Brazil, Rio de Janeiro, Brazil, (3)Inst Geosciences - USP, São Paulo, Brazil, (4)Australian National University, Canberra, Australia, (5)University of Montpellier II, Geosciences Montpellier, Montpellier Cedex 05, France
