V23E:
Crustal Accretion Processes at Intermediate to Fast-Spreading Ridges: New Advances from Seafloor Geology, Geophysical Experiments, and Ocean Drilling II

Tuesday, 16 December 2014: 1:40 PM-3:40 PM
Chairs:  Kathryn M Gillis, Univ Victoria, Victoria, BC, Canada and Michael R Perfit, Univ of Florida, Gainesville, FL, United States
Primary Conveners:  Kathryn M Gillis, Univ Victoria, Victoria, BC, Canada
Co-conveners:  Suzanne M Carbotte, Lamont-Doherty Earth Obs, Palisades, NY, United States, Benoit Ildefonse, CNRS, Montpellier, France and Michael R Perfit, Univ of Florida, Gainesville, FL, United States
OSPA Liaisons:  Michael R Perfit, Univ of Florida, Gainesville, FL, United States

Abstracts Submitted to this Session:

1:40 PM
V23E-01
 
Hydrothermal circulation in fast spread ocean crust – where and how much? Insight from ODP Hole 1256D
Michelle Harris1, Rosalind Mary Coggon2, Christopher E Smith-Duque3 and Damon A H Teagle1, (1)University of Southampton, Southampton, SO14, United Kingdom, (2)University of Southampton, Southampton, United Kingdom, (3)Universtiy of Southampton, Southampton, United Kingdom
1:55 PM
V23E-02
 
Do Two Deep Drill Holes Into the Upper Ocean Crust Quantify the Hydrothermal Contribution to Global Geochemical Cycles?
Damon A H Teagle1, Jeffrey Alt2, Rosalind Mary Coggon3, Michelle Harris1, Christopher E Smith-Duque4 and Mark Rehkamper5, (1)University of Southampton, Southampton, SO14, United Kingdom, (2)University of Michigan Ann Arbor, Earth & Environmental Sciences, Ann Arbor, MI, United States, (3)University of Southampton, Southampton, United Kingdom, (4)Universtiy of Southampton, Southampton, United Kingdom, (5)Imperial College, London, United Kingdom
2:10 PM
V23E-03
 
Invasion of Seawater-Derived Fluids at Very High Temperatures in the Oman Ophiolite – a Key for Cooling the Deep Crust at Fast-Spreading Ridges
Juergen Koepke1, Tim Mueller1, Stefan Linsler1, Stephan Schuth1, C-Dieter Garbe-Schoenberg2 and Andrew M McCaig3, (1)Leibniz University of Hannover, Institut für Mineralogie, Hannover, Germany, (2)University of Kiel, Kiel, Germany, (3)University of Leeds, Leeds, LS2, United Kingdom
2:25 PM
V23E-04
 
Reactive overprint of the Central Indian Ridge mantle and formation of hybrid troctolites: reassessing the significance of bulk oceanic crust
Alessio Sanfilippo1, Tomoaki Morishita1, Hidenori Kumagai2, Kentaro Nakamura3, Kyoko Okino4, Akihiro Tamura1 and Shoji Arai1, (1)Kanazawa University, Kanagawa, Japan, (2)JAMSTEC, Yokosuka, Japan, (3)University of Tokyo, Bunkyo-ku, Japan, (4)Univ Tokyo, Kashiwa, Chiba, Japan
2:40 PM
V23E-05
 
Effects of Magma Supply on Mid-Ocean Ridge Magma Reservoirs, as Sampled by Individual Eruptions on the Galápagos Spreading Center
Alice Colman, John M Sinton and Kenneth Howard Rubin, University of Hawaii at Manoa, Honolulu, HI, United States
2:55 PM
V23E-06
 
High-Resolution Imaging of Axial Volcano, Juan de Fuca ridge.
Adrien F Arnulf, Scripps Institution of Oceanography, La Jolla, CA, United States, Alistair J Harding, Scripps Institution of Oceanography, University of California San Diego, La Jolla, CA, United States and Graham M Kent, University of Nevada Reno, Nevada Seismological Laboratory, Reno, NV, United States
3:10 PM
V23E-07
 
Segment-Scale Seismic Structure of Slow-, Intermediate-, and Fast-Spreading Mid-Ocean Ridges: Constraints on the Origin of Ridge Segmentation and the Geometry of Shallow Mantle Flow
Brandon Paul VanderBeek1, Douglas R Toomey1, Emilie E E Hooft1 and William S D Wilcock2, (1)University of Oregon, Eugene, OR, United States, (2)University of Washington Seattle Campus, Seattle, WA, United States
3:25 PM
V23E-08
 
Tectonic, Magmatic and Geochemical Segmentation of the Global Ocean Ridge System: A Synthesis of Observations
Emily M Klein, Duke University, Earth and Ocean Sciences, Durham, NC, United States, Suzanne M Carbotte, Lamont-Doherty Earth Obs, Palisades, NY, United States, Deborah K Smith, Woods Hole Oceanographic Inst, Arlington, VA, United States and Mathilde Cannat, Institut de Physique du Globe de Paris, Paris, France
 
See more of: Volcanology, Geochemistry and Petrology
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