V31B:
Crustal Accretion Processes at Intermediate to Fast-Spreading Ridges: New Advances from Seafloor Geology, Geophysical Experiments, and Ocean Drilling III Posters

Session ID#: 4660

Wednesday, 17 December 2014: 8:00 AM-12:20 PM
Poster Hall (Moscone_South)
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
Co-Sponsor(s):
  • OS - Ocean Sciences
  • T - Tectonophysics
Index Terms:

3036 Ocean drilling [MARINE GEOLOGY AND GEOPHYSICS]
7245 Mid-ocean ridges [SEISMOLOGY]
8416 Mid-oceanic ridge processes [VOLCANOLOGY]
8424 Hydrothermal systems [VOLCANOLOGY]
Virtual Option?: No

Abstracts Submitted to this Session:

 
Petrography and Geochemistry of High Silica EPR Glasses: Implications for Melt Production and Transport (22360)
Alisa Kotash and John F Bender, University of North Carolina at Charlotte, Charlotte, NC, United States
 
Rapid hydrothermal cooling above the axial melt lens at fast-spreading mid-ocean ridge: Quantification through intra-plagioclase diffusion revealed by IODP Hole 1256D (12059)
Chao Zhang1, Juergen Koepke2, Clemens Kirchner2, Niko Götze2 and Harald Behrens2, (1)Leibniz University of Hannover, Institute of Mineralogy, Hannover, Germany, (2)Leibniz University of Hannover, Institut für Mineralogie, Hannover, Germany
 
Oman Ophiolite: Petrological and Geochemical Investigation of Fast-Spreading Crust Formation Processes (10150)
Tim Müller1, Juergen Koepke2, C-Dieter Garbe-Schoenberg3, Stephan Schuth1 and Paul Eric Wolff1, (1)Leibniz University of Hannover, Hannover, Germany, (2)Leibniz University of Hannover, Institute of Mineralogy, Hannover, Germany, (3)University of Kiel, Kiel, Germany
 
Trace element systematics in the plutonic section of fast-spread oceanic crust – evidence from the Wadi Gideah reference profile (Wadi Tayin Massif, Oman ophiolite) (18705)
C-Dieter Garbe-Schoenberg1, Juergen Koepke2, Tim Mueller2, Paul Eric Wolff2 and Harald Strauss3, (1)University of Kiel, Institute of Geosciences, Kiel, Germany, (2)Leibniz University of Hannover, Institut für Mineralogie, Hannover, Germany, (3)University of Münster, Institute of Geology, Münster, Germany
 
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
 
Crystallographic Preferred Orientations and Seismic Properties of troctolitic rocks from fast-spread lower ocean crust (IODP Expedition 345 at Hess Deep (15020)
Benoit Ildefonse1, Norikatsu Akizawa2, David Mainprice1, Marguerite Godard3 and Shoji Arai2, (1)Université Montpellier 2 & CNRS, Géosciences Montpellier, Montpellier, France, (2)Kanazawa University, Department of Earth Sciences, Kanazawa, Japan, (3)Géosciences Montpellier, Montpellier Cedex 05, France
 
Geochemical characteristics of fast-spreading lower oceanic crust: an example of troctolites at the Hess Deep Rift (IODP Expedition 345) (14790)
Norikatsu Akizawa1, Marguerite Godard2, Benoit Ildefonse3 and Shoji Arai1, (1)Kanazawa University, Department of Earth Sciences, Kanazawa, Japan, (2)Géosciences Montpellier, Montpellier Cedex 05, France, (3)Université Montpellier 2 & CNRS, Géosciences Montpellier, Montpellier, France
 
The Paradox of the Axial Melt Lens: Petrology and Geochemistry of the Upper Plutonics at Hess Deep (16689)
C. Johan Lissenberg1, Matthew Phillip Loocke1 and Christopher J MacLeod2, (1)Cardiff University, School of Earth & Ocean Sciences, Cardiff, United Kingdom, (2)Cardiff University, School of Earth & Ocean Sciences, Cardiff, CF24, United Kingdom
 
Pb–isotopic Features of Primitive Rocks from Hess Deep: Distinguishing between EPR and Cocos–Nazca Mantle Source(s) (17228)
Marlon M Jean, Luh Institut Fuer Geologie, Hannover, Germany, Trevor Falloon, University of Tasmania, Centre of Ore Deposits and Earth Sciences, Hobart, Australia and Kathryn M Gillis, University of Victoria, Victoria, BC, Canada
 
Protracted construction of fast-spread gabbroic crust: Constraints from SHRIMP Pb/U dates and chemical analysis of zircon from Hess Deep (30025)
Barbara E John, University of Wyoming, Geology & Geophysics, Laramie, United States and Rose Pettiette, University of Wyoming, Laramie, WY, United States
 
Hydrothermal Spinel, Corundum and Diaspore in Gabbroic Rocks from the Hess Deep Rift, IODP Site U1415 (20780)
Toshio Nozaka, Okayama University, Okayama, Japan, Romain Meyer, Centre for Gebiology, Bergen, Norway and Robert P Wintsch, Indiana University Bloomington, Bloomington, IN, United States
 
Modeling Crustal-Scale Hydrothermal Flows through a Seamount Network (8685)
Rachel M Lauer1, Andrew T Fisher2 and Dustin M Winslow2, (1)University of Calgary, Department of Geoscience, Calgary, AB, Canada, (2)UC Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, 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
 
Hydrothermal Chimney Distribution from AUV Sentry bathymetry and Alvin at the Galapagos Spreading Center (24719)
Avery Jonathan Lee, University of South Carolina Columbia, Columbia, SC, United States and Scott M White, University of South Carolina Columbia, Columbia, United States
 
Constructional Talus: Formed during Eruption, Not By Later Tectonism (6264)
Jennifer Brophy Paduan1, David A Clague2 and David W Caress2, (1)Monterey Bay Aquarium Res Inst, Moss Landing, CA, United States, (2)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States
 
Lava Cones and Shields on Intermediate-Rate Mid-Ocean Ridges (9727)
David A Clague1, Jennifer Brophy Paduan2 and David W Caress1, (1)Monterey Bay Aquarium Research Institute, Moss Landing, CA, United States, (2)Monterey Bay Aquarium Res Inst, Moss Landing, CA, United States
 
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
 
Imaging of Lower-crustal Magma Chambers at an Ultraslow Spreading Ridge Segment using Elastic Waveform Inversion of a Sparse OBS Dataset (21646)
Hanchao Jian1,2, Satish Chandra Singh2, Yongshun John Chen1 and Jiabiao Li3, (1)Institute of Theoretical and Applied Geophysics, School of Earth and Space Science, Peking University, Beijing, China, (2)Institut de Physique du Globe de Paris, Paris, France, (3)Second Institute of Oceanograp, Hangzhou, China
 
Seismicity Of The Charlie-Gibbs Fracture Zone (27093)
Christopher G Novitsky, University of Minnesota Twin Cities, Minneapolis, MN, United States and Einarsson Páll, University of Iceland, Reykjavik, Iceland
 
The Easternmost Southwest Indian Ridge: A Laboratory to Study MORB and Oceanic Gabbro Petrogenesis in a Very Low Melt Supply Context (10035)
Marine Paquet1, Mathilde Cannat1, Cedric Hamelin2 and Daniele Brunelli3, (1)Institut de Physique du Globe de Paris, Paris, France, (2)Independant scholar, Bergen, Norway, (3)Woods Hole Oceanographic Institution, Woods Hole, United States
 
Mineral chemistry of the chromian spinels and chromitites in mafic and ultramafic rocks sampled from oceanic floor (28754)
Natsue Abe, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), Yokohama, Japan; Kanazawa University, Departement of Earth Sciences, Kanazawa, Japan
 
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
 
Infiltration of Refractory Melts into the Sub-Oceanic Mantle: Evidence from Major and Minor Element Compositions of Minerals from the 53° E Amagmatic Segment Abyssal Peridotites at the Southwest Indian Ridge (11186)
Changgui Gao1,2, Henry J Dick1, Huaiyang Zhou3, Yang Liu2 and Jixin Wang2, (1)WHOI, Woods Hole, MA, United States, (2)Tongji University, Shanghai, China, (3)Tongji University, State Key Laboratory of Marine Geology, Shanghai, China