V43B:
Petrochronology I Posters

Thursday, 18 December 2014: 1:40 PM-6:00 PM
Chairs:  Bradley R Hacker, University of California Santa Barbara, Santa Barbara, CA, United States and Matthew J Kohn, Boise State University, Boise, ID, United States
Primary Conveners:  Martin Engi, Univ Bern, Bern, Switzerland
Co-conveners:  Bradley R Hacker, University of California, Santa Barbara, CA, United States, Matthew J Kohn, Boise State University, Boise, ID, United States and Pierre Lanari, University of Bern, Institute of Geological Sciences, Bern, Switzerland
OSPA Liaisons:  Pierre Lanari, University of Bern, Institute of Geological Sciences, Bern, Switzerland

Abstracts Submitted to this Session:

4872
 
Diffusion kinetics of geochronologically relevant species in baddeleyite
Elias Morgan Bloch1, James M Watkins1 and James A Van Orman2, (1)University of Oregon, Geological Sciences, Eugene, OR, United States, (2)Case Western Reserve Univ, Cleveland, OH, United States
4873
 
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
Morten S Riishuus1, Daniel P Miggins2, Anthony A P Koppers2 and Robert A Duncan2, (1)University of Iceland, Reykjavik, Iceland, (2)Oregon State University, Corvallis, OR, United States
4874
 
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 
Victor Guevara1, Besim Dragovic1, Mark J Caddick2 and Ethan F Baxter3, (1)Virginia Polytechnic Institute and State University, Blacksburg, VA, United States, (2)Virginia Tech, Blacksburg, VA, United States, (3)Boston University, Boston, MA, United States
4875
 
Radiogenic heating to ultrahigh temperature: Geochronology and 4+ thermometry across southern Madagascar
Forrest Horton1, Bradley R Hacker1 and Andrew R Kylander-Clark2, (1)University of California Santa Barbara, Santa Barbara, CA, United States, (2)UC Santa Barbara, Santa Barbara, CA, United States
4876
 
Petrology and Geochronology of High-Grade Metamorphic Rocks from Cedros Island, Baja California, Mexico
Derik Gonzales and Mary L Leech, San Francisco State University, San Francisco, CA, United States
4877
 
Lu-Hf Garnet Geochronology Reveals the Tectonic History of Precambrian Rocks in the Southern Rocky Mountains
Ruth Aronoff1, Christopher Andronicos1, Jeffrey D. Vervoort2 and Robert A Hunter3, (1)Purdue Univ, Lafayette, IN, United States, (2)Washington State University, Pullman, WA, United States, (3)Shell Houston, Houston, TX, United States
4878
 
Time-scales of crustal anatexis in the Himalaya revealed by petrochronology
Graham W Lederer, UC Santa Barbara, Santa Barbara, CA, United States and John M Cottle, University of California Santa Barbara, Santa Barbara, CA, United States
4879
 
Chemical and textural record of REE accessory phases along a well constrained prograde pelitic suite: implications for allanite and monazite petrochronology
Martin Robyr1, Sriparna Goswami-Banerjee1 and Martin Engi2, (1)University of Bern, Bern, Switzerland, (2)University of Bern, Institute of Geological Sciences, Bern, Switzerland
4880
 
Monazite trace-element and isotopic signatures of high-pressure metamorphism: examples from the Western Gneiss region, Norway
Robert M Holder, Bradley R Hacker, Andrew R Kylander-Clark and John M Cottle, University of California Santa Barbara, Santa Barbara, CA, United States
4881
 
Geochronology of Zircon in Eclogite Reveals Imbrication of the Ultrahigh-Pressure Western Gneiss Region of Norway.
David J Young, University of Texas at San Antonio, Geological Sciences, San Antonio, TX, United States, Andrew R Kylander-Clark, University of California Santa Barbara, Santa Barbara, CA, United States and David B Root, University of Oslo, Oslo, Norway
4882
 
Unraveling the polymetamorphic history of garnet-bearing metabasites: Insights from the North Motagua Mélange (Guatemala Suture Zone)
Guillaume Bonnet1,2, Kennet E Flores2, Celine Martin2 and George E Harlow2, (1)Ecole Normale Supérieure Paris, Paris, France, (2)American Museum of Natural History, New York, NY, United States
4883
 
Metamorphic evolution of high-pressure–low-temperature rocks from the northern section of the Guatemala Suture Zone: PTt paths and tectonic implications
Kennet E Flores1, Sidney R Hemming2, George E Harlow1, Yue Cai2, Guillaume Bonnet1,3, Celine Martin1 and Hannes K Brueckner2, (1)American Museum of Natural History, New York, NY, United States, (2)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (3)Ecole Normale Supérieure Paris, Paris, France
4884
 
Geochronological and Petrological Constraints on the Evolution of the Pan African Ajjaj Shear Zone, Saudi Arabia
Mahmoud Hassan1,2, Kurt Stuewe1, Tamer S. Abu-Alam3,4, Urs Stephan Kloetzli5 and Massimo Tiepolo6, (1)University of Graz, Graz, Austria, (2)Suez Canal University, Geology Department, Ismailia, Egypt, (3)Tanta University, Tanta, Egypt, (4)Norwegian Polar Institute, Tromsø, Norway, (5)Universität Wien, Department of Lithospheric Research, Wien, Austria, (6)CNR - IGG - Pavia, Pavia, Italy
4885
 
Triassic High-P Metamorphism of the central Qiangtang terrane, Tibet; constraints using mineral equilibria modelling and 40Ar/39Ar geochronology
Lan Hui1, Adrianna Rajkumar1, Geoffrey L Clarke2, Jonathan C Aitchison2 and Margaret (Marnie) Anne Forster3, (1)University of Sydney, Sydney, Australia, (2)University of Sydney, Sydney, NSW, Australia, (3)Australia National University, Research School of Earth Sciences, Canberra, Australia
4886
 
A 30 Myr record of retrograde metamorphism and multiple generations of monazite and garnet in western MA revealed by coordinated LASS and EPMA
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, Santa Barbara, CA, United States
4887
 
>2500-km-Long Contemporaneous Deep Continental Subduction in the West Gondwana Orogen
Daniela Rubatto1, Carlos E Ganade de Araujo2,3, Joerg Hermann1, Umberto Giuseppe Cordani3, Renaud Caby4 and Miguel A. S. Basei3, (1)Australian National University, Canberra, Australia, (2)Geological Survey of Brazil, Rio de Janeiro, Brazil, (3)Inst Geosciences - USP, São Paulo, Brazil, (4)University of Montpellier II, Geosciences Montpellier, Montpellier Cedex 05, France
 
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