Chairs: Suzanne M Carbotte, Lamont-Doherty Earth Observatory, Palisades, NY, United States and Kathryn M Gillis, Univ Victoria, Victoria, BC, Canada
Primary Convener: Kathryn M Gillis, Univ Victoria, Victoria, BC, Canada
Co-conveners: Suzanne M Carbotte, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Benoit Ildefonse, Géosciences Montpellier, Univ Montpellier, CNRS, Univ Antilles, Montpellier, France and Michael R Perfit, University of Florida, Department of Geological Sciences, Gainesville, United States
OSPA Liaison: Kathryn M Gillis, Univ Victoria, Victoria, BC, Canada
Insights into Oceanic Crust Accretion from a Comparison of Rock Magnetic and Silicate Fabrics from Lower Crustal Gabbros from Hess Deep Rift (21020)
Andrew J Horst, Oberlin College, Oberlin, OH, United States, Antony Morris, University of Plymouth, School of Geography, Earth and Environmental Sciences, Plymouth, United Kingdom, Sarah A Friedman, Southern Illinois University Carbondale, Department of Geology, Carbondale, United States and Michael J Cheadle, University of Wyoming, Geology & Geophysics, Laramie, United States
Towards Solving the Conundrum of Fast-Spread Ocean Crust Formation: Insights from Textural Analysis of Gabbroic Rocks from Pito Deep and Hess Deep, East Pacific Rise (7929)
Tyler C Brown1, Michael J Cheadle2, Barbara E John2, Laurence A Coogan3, Jeffrey S Gee4, Jeffrey Karson5, Romain Meyer6, Georges Ceuleneer7 and Susan Swapp8, (1)University of Wyoming, Laramie, WY, United States, (2)University of Wyoming, Geology & Geophysics, Laramie, United States, (3)University of Victoria, Victoria, BC, Canada, (4)Univ California San Diego, La Jolla, CA, United States, (5)Syracuse University, Syracuse, NY, United States, (6)Centre for Gebiology, Bergen, Norway, (7)University Paul Sabatier Toulouse III, Toulouse Cedex 09, France, (8)University of Wyoming, Laramie, United States
Refining the Subseafloor Circulation Model of the Middle Valley Hydrothermal System Using Fluid Geochemistry (14881)
Katherine E Inderbitzen, University of Alaska School of Fisheries & Ocean Science, Marina, CA, United States, Charles Geoffrey Wheat, Moss Landing Marine Laboratories, Moss Landing, United States, Paul A Baker, Duke University, Durham, NC, United States and Andrew T Fisher, UC Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States
Variability of low temperature hydrothermal alteration in upper ocean crust: Juan de Fuca Ridge and North Pond, Mid-Atlantic Ridge (16070)
Jennifer Rutter, University of Southampton, Southampton, SO14, United Kingdom, Michelle Harris, University of Southampton, Southampton, United Kingdom, Rosalind M. Coggon, University of Southampton, School of Ocean and Earth Science, National Oceanography Centre Southampton, Southampton, United Kingdom, Jeffrey Alt, Michigan Tech University, Ann Arbor, MI, United States and Damon A H Teagle, University of Southampton, School of Ocean and Earth Science, Southampton, United Kingdom
Laser ablation MC-ICP-MS U/Pb geochronology of ocean basement calcium carbonate veins (12488)
Michelle Harris1, Rosalind M. Coggon2, Damon A H Teagle3, Nick M W Roberts4 and Randall Richardson Parrish4, (1)University of Southampton, Southampton, United Kingdom, (2)University of Southampton, School of Ocean and Earth Science, National Oceanography Centre Southampton, Southampton, United Kingdom, (3)University of Southampton, School of Ocean and Earth Science, Southampton, United Kingdom, (4)NERC Isotope Geosciences Laboratory, Keyworth, United Kingdom
Magma Dynamics at Axial Seamount, Juan de Fuca Ridge, from Seafloor Deformation Data (17895)
Elisa Baumgardt, University of North Carolina at Wilmington, Wilmington, NC, United States, Scott L Nooner, University of North Carolina at Wilmington, Dept of Earth and Ocean Sciences, Wilmington, NC, United States and William W. Chadwick Jr., Oregon State University, Corvallis, OR, United States
Length Scales of Magmatic Segments at Intermediate and Fast Spreading Ridges (25104)
Bridgit Boulahanis, Columbia University of New York, Palisades, NY, United States, Suzanne M Carbotte, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Emily M Klein, Duke University, Durham, NC, United States, Deborah K Smith, NASA IMPACT / UAH, Huntsville, United States and Mathilde Cannat, Institut de Physique du Globe de Paris, Paris, France
The Complex History of Alarcon Rise Mid-Ocean Ridge Rhyolite Revealed through Mineral Chemistry (13166)
Brian M Dreyer, University of California Santa Cruz, Santa Cruz, CA, United States, Ryan A Portner, Brown University, Providence, RI, United States, David A Clague, Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, Nathan R Daczko, Macquarie University, Department of Earth and Environmental Sciences, Sydney, NSW, Australia, Paterno Castillo, University of California San Diego, Scripps Institution of Oceanography, La Jolla, CA, United States and Ilya Bindeman, University of Oregon, Department of Earth Sciences, Eugene, OR, United States
Geochemistry and petrology of andesites from the north rift zone of Axial Seamount, Juan de Fuca Ridge (30682)
Iliya N Smithka1, Michael R Perfit1, David A Clague2 and V. Dorsey Wanless3, (1)University of Florida, Department of Geological Sciences, Ft Walton Beach, FL, United States, (2)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (3)Boise State University, Department of Geosciences, Boise, United States
Melt-rock interaction at the Moho: Evidence from crystal cargo in lavas from near-ridge seamounts (31578)
Jason P Coumans, McGill University, Montreal, QC, Canada, John Stix, McGill University, Earth & Planetary Sciences, Montreal, QC, Canada, David A Clague, Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States and William G Minarik, McGill University, Earth and Planetary Sciences, Montreal, QC, Canada
Compressional and Shear Wave Structure of the Upper Crust Beneath the Endeavour Segment, Juan De Fuca Ridge (11303)
Eunyoung Kim1, Douglas R Toomey2, Emilie E E Hooft, PhD3, William S D Wilcock4, Robert T Weekly, PhD5, Sang-Mook Lee6 and Younghee Kim6, (1)Seoul National University, Seoul, Korea, Republic of (South), (2)University of Oregon, Department of Earth Sciences, Eugene, United States, (3)University of Oregon, Department of Earth Sciences, Eugene, OR, United States, (4)University of Washington Seattle Campus, School of Oceanography, Seattle, United States, (5)Incorporated Research Institutions for Seismology, Seattle, WA, United States, (6)Seoul National University, School of Earth and Environmental Sciences, Seoul, Korea, Republic of (South)
Crustal Thickness and Lower Crustal Velocity Structure Beneath the Endeavour Segment of the Juan de Fuca Ridge (13036)
Ryley Hill, San Diego State University / SIO, San Diego, United States, Dax Christian Soule, CUNY Queens College, School of Earth and Environmental Sciences, Flushing, United States, William S D Wilcock, University of Washington Seattle Campus, School of Oceanography, Seattle, United States, Douglas R Toomey, University of Oregon, Department of Earth Sciences, Eugene, United States, Emilie E E Hooft, PhD, University of Oregon, Department of Earth Sciences, Eugene, OR, United States and Robert T Weekly, PhD, Incorporated Research Institutions for Seismology, Data Management Center, Seattle, United States
Advanced Seismic Studies of the Endeavour Ridge: Understanding the Interplay among Magmatic, Hydrothermal, and Tectonic Processes at Mid-Ocean Ridges (17555)
Gillean M Arnoux, University of Oregon, Eugene, OR, United States, Brandon VanderBeek, University of Oregon, Eugene, United States, Joanna V Morgan, Imperial College London, London, United Kingdom, Emilie E E Hooft, PhD, University of Oregon, Department of Earth Sciences, Eugene, OR, United States, Douglas R Toomey, University of Oregon, Department of Earth Sciences, Eugene, United States, William S D Wilcock, University of Washington Seattle Campus, School of Oceanography, Seattle, United States and Michael Warner, Imperial College London, Earth Science and Engineering, London, United Kingdom
Mantle-crust differentiation of chalcophile elements in the oceanic lithosphere (17761)
Jakub Ciążela1, Henry J Dick2, Juergen Koepke1, Thomas Kuhn3, Andrzej Muszynski4 and Marta Kubiak5, (1)Leibniz University of Hannover, Institut für Mineralogie, Hannover, Germany, (2)WHOI, Woods Hole, MA, United States, (3)Bundesanstalt fuer Geowissenschaften und Rohstoffe, Hannover, Germany, (4)Adam Mickiewicz University, Poznań, Poland, (5)Polish Academy of Sciences, Warsaw, Poland