Recent Advances in Ophiolite Research: New Insights into the Formation, Evolution, and Emplacement of Ophiolites I

Friday, 19 December 2014: 8:00 AM-10:00 AM
Chairs:  Matthew E Rioux, University of California Santa Barbara, Santa Barbara, CA, United States and Julian A Pearce, Cardiff Univ, Cardiff, United Kingdom
Primary Conveners:  Matthew E Rioux, University of California, Santa Barbara, CA, United States
Co-conveners:  Hugh R Rollinson, University of Derby, Derby, United Kingdom, Julian A Pearce, Cardiff Univ, Cardiff, United Kingdom and Mathieu Benoit, Géosciences Environnement Toulouse, Observatoire Midi Pyrénées, Toulouse, France
OSPA Liaisons:  Matthew E Rioux, University of California Santa Barbara, Santa Barbara, CA, United States

Abstracts Submitted to this Session:

8:00 AM
The Ophiolite - Oceanic Fore-Arc Connection
Mark K Reagan, University of Iowa, Iowa City, IA, United States, Julian A Pearce, Cardiff Univ, Cardiff, United Kingdom, Robert J Stern, Univ Texas Dallas, Richardson, TX, United States, Osamu Ishizuka, Geological Survey of Japan, Tsukuba, Ibaraki, Japan and Katerina E Petronotis, Integrated Ocean Drilling Program, College Station, TX, United States
8:15 AM
The Relationships of Plate Triple-junction Evolution, Trench-Arc Lengthening, Boninite Generation, and SSZ Spreading Centers to Ophiolite Formation, High-Temperature Soles, and Obduction
John Casey, University of Houston, Department of Earth and Atmospheric Sciences, Houston, TX, United States and John F. Dewey, Earth and Planetary Sciences, University of California, Davis, Davis, United States
8:30 AM
The Development of Subduction Below the Oman-UAE Ophiolite: Detailed Temporal Constraints from High Precision U-Pb Zircon Geochronology
Matthew E Rioux1, Samuel A Bowring2, Joshua M Garber1, Peter B Kelemen3, Micheal P Searle4, Sumio Miyashita5 and Yoshiko Adachi5, (1)University of California Santa Barbara, Santa Barbara, CA, United States, (2)MIT, Cambridge, MA, United States, (3)Columbia University of New York, Palisades, NY, United States, (4)Department of Earth Sciences, University of Oxford, Oxford, United Kingdom, (5)Niigata University, Niigata, Japan
8:45 AM
Oman Ophiolite Structural Constraints Complement Models of Crustal Accretion at the EAST Pacific RISE
David Jousselin1, Adolphe A Nicolas2 and Francoise I Boudier2, (1)CRPG Centre de Recherches Pétrographiques et Géochimiques, Vandoeuvre-Les-Nancy, France, (2)University of Montpellier II, Montpellier Cedex 05, France
9:15 AM
Paradise Lost: Uncertainties in melting and melt extraction processes beneath oceanic spreading ridges
Peter B Kelemen, Columbia University, Palisades, NY, United States; Columbia University, New York, NY, United States
9:30 AM
Ophiolite Perspectives on Oceanic Mantle Heterogeneity
Richard J Walker1, Brian O'Driscoll2, James M Day3, Richard D Ash1 and J Stephen Daly4, (1)Univ Maryland, College Park, MD, United States, (2)Keele University, Geology, Staffordshire, United Kingdom, (3)Univ. California, San Diego, GRD, La Jolla, CA, United States, (4)University College Dublin, Dublin, Ireland
9:45 AM
Genesis of Diamond-bearing and Diamond-free Podiform Chromitites in the Luobusa Ophiolite, Tibet
Jingsui Yang1, Fahui Xiong1, Xiangzhen Xu1, Paul T Robinson1, Yildirim Dilek2 and William L Griffin3, (1)CARMA, State Key Laboratory of Continental Tectonics and Dynamics, Institute of Geology of CAGS, Beijing, China, (2)Miami University Oxford, Geology & Environmental Earth Science, Oxford, OH, United States, (3)Macquarie University, Department of Earth and Planetary Sciences, Sydney, Australia