Cordilleran Section - 109th Annual Meeting (20-22 May 2013)

T3. Oceanic Petrogenesis of Pacific-Type Convergent Margins

Session No. 12
Tuesday, 21 May 2013: 8:15 AM-12:00 PM
Radisson Hotel and Conference Center Salon A1

T3. Oceanic Petrogenesis of Pacific-Type Convergent Margins

 

Tatsuki Tsujimori, W.G. Ernst and John Wakabayashi, Presiding
Paper #
Start Time
 
8:15 AM
Introductory Remarks
8:20 AM
RECYCLING OF UHP-UHT MINERALS — THE FATE OF SUBDUCTED CONTINENTAL CRUST
LIOU, Juhn G., Department of Geological and Environmental Sciences, Stanford University, Stanford, CA 94305-2115, jliou@stanford.edu and TSUJIMORI, Tatsuki, Institute for Study of the Earth's Interior, Okayama University, Misasa, Tottori, 682-0193, Japan
8:40 AM
CARBON CYCLING IN SUBDUCTION ZONES: THE IMPORTANCE OF METASOMATISM
BEYSSAC, Olivier, CNRS IMPMC Paris, Campus Jussieu, Case courrier 115, 4 place Jussieu, Paris, 75005, France, olivier.beyssac@impmc.upmc.fr, GALVEZ, Matthieu E., IMPMC and IPG Paris (now at Geophysical Lab), 1 rue Jussieu, Paris, 75005, and VITALE BROVARONE, Alberto, Institut de MinÚralogie et Physique des Milieux CondensÚs (IMPMC), UniversitÚ Pierre et Marie Curie (UPMC) Paris, 4, Place Jussieu, case courrier 115, Paris, 75005, France
9:00 AM
THERMAL REGIME AND TECTONO-STRATIGRAPHY ACROSS THE BLUESCHIST-ECLOGITE TRANSITION: INSIGHTS FROM VARIOUS HP BELTS OF TETHYAN AND PACIFIC TYPE
VITALE BROVARONE, Alberto, Institut de MinÚralogie et Physique des Milieux CondensÚs (IMPMC), UniversitÚ Pierre et Marie Curie (UPMC) Paris, 4, Place Jussieu, case courrier 115, Paris, 75005, France, alberto.vitalebrovarone@gmail.com, PICATTO, Miro, Dipartimento di Scienze della Terra, UniversitÓ degli Studi di Torino, via Valperga Caluso 35, Torino, 10100, Italy, AGARD, Philippe, Inst. Sc. Terre Ó Paris (ISTeP), UMR CNRS 7193 UniversitÚ P.M. Curie, Paris, France, and BEYSSAC, Olivier, CNRS IMPMC Paris, Campus Jussieu, Case courrier 115, 4 place Jussieu, Paris, 75005, France
9:20 AM
THE IMPORTANCE OF LAWSONITE METASOMATISM IN BLOCK-IN-MATRIX STRUCTURES: FIELD AND GEOCHEMICAL FINGERPRINTS FROM ALPINE CORSICA
VITALE BROVARONE, Alberto, Institut de MinÚralogie et Physique des Milieux CondensÚs (IMPMC), UniversitÚ Pierre et Marie Curie (UPMC) Paris, 4, Place Jussieu, case courrier 115, Paris, 75005, France, alberto.vitalebrovarone@gmail.com and BEYSSAC, Olivier, CNRS IMPMC Paris, Campus Jussieu, Case courrier 115, 4 place Jussieu, Paris, 75005, France
9:40 AM
CONTRASTING PROTOLITH GEOCHEMICAL SIGNATURES OF JURASSIC PACIFIC-RELATED METABASITES NORTH AND SOUTH OF THE CHORTÍS BLOCK (GUATEMALA AND NICARAGUA)
FLORES, Kennet E., Department of Earth and Planetary Science, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024-519, kflores@amnh.org, BRUECKNER, Hannes K., LamontľDoherty Earth Observatory, Columbia University, 61 Route 9W, Palisades, NY 10964, and HARLOW, George E., Department of Earth and Planetary Science, American Museum of Natural History, Central Park West at 79th Street, New York, NY 10024-5192
 
10:00 AM
Break
10:20 AM
MID-MESOZOIC TO MIOCENE CLASTIC SEDIMENTATION ALONG THE NORTHERN CALIFORNIA MARGIN—PROVENANCE AND PLATE-TECTONIC IMPLICATIONS
ERNST, W.G., Geological and Environmental Sciences, Stanford University, Building 320, Room 118, Stanford, CA 94305-2115, wernst@stanford.edu
10:40 AM
THE WESTERN HAYFORK TERRANE: MIDDLE JURASSIC ARC WITH ADAKITIC AFFINITIES IN THE KLAMATH MOUNTAIN PROVINCE, OR AND CA
BARNES, Calvin G. and BARNES, Melanie A., Department of Geosciences, Texas Tech University, Lubbock, TX 79409-1053, cal.barnes@ttu.edu
11:00 AM
SERPENTINITE DIAPIR AND BLUESCHIST METAMORPHISM IN THE MARIANA FOREARC, WESTERN PACIFIC
MAEKAWA, Hirokau, Department of physical Science, Graduate School of Science, Osaka Prefecture University, 1-1 Gakuen-cho, Naka-ku, Sakai 599-8531 Japan, maekawa@p.s.osakafu-u.ac.jp
11:20 AM
ZIRCON CHRONOLOGY AND GARNET CHEMISTRY RELATED TO DEHYDRATION MELTING IN A DEEP SUBDUCTION ZONE: CASE STUDY FROM THE SANBAGAWA QUARTZ-BEARING ECLOGITE
OKAMOTO, Kazuaki, Faculty of Education, Saitama University, Shimo-Okubo 255, Sakura-ku, Saitama 3388570 Japan, kokamoto@mail.saitama-u.ac.jp
11:40 AM
AMPHIBOLE COMPOSITIONS AND TECTONIC IMPLICATIONS OF THE WANJUNG SERPENTINITE COMPLEX, YULI BELT, EASTERN TAIWAN
TSAI, Chin-Ho and LAN, Ching-Hung, Department of Natural Resources and Environmental Studies, National Dong Hwa University, Hualien, 974, Taiwan, tsaich@mail.ndhu.edu.tw
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