V53A:
Chemical, Physical, and Biological Interactions During Serpentinization of Ultramafic Rocks II Posters

Friday, 19 December 2014: 1:40 PM-6:00 PM
Chairs:  Aida Farough, Virginia Polytechnic Institute and State University, Geosciences, Blacksburg, VA, United States and Esther Martina Schwarzenbach, Virginia Polytechnic Institute and State University, Geosciences, Blacksburg, VA, United States
Primary Conveners:  Aida Farough, Virginia Polytechnic Institute and State University, Geosciences, Blacksburg, VA, United States
Co-conveners:  Esther Martina Schwarzenbach, Virginia Polytechnic Institute and State University, Geosciences, Blacksburg, VA, United States and Robert P Lowell, Virginia Tech, Geosceinces, Blacksburg, VA, United States
OSPA Liaisons:  Aida Farough, Virginia Polytechnic Institute and State University, Geosciences, Blacksburg, VA, United States

Abstracts Submitted to this Session:

 
Microbially-influenced Fe-Cycling within high pH serpentinizing springs of the Zambales Ophiolite, Philippines
Caitlin Casar1, D'Arcy Renee Meyer-Dombard1, Alexander Simon1, Dawn Cardace2 and Carlo A Arcilla3, (1)University of Illinois at Chicago, Chicago, IL, United States, (2)University of Rhode Island, Kingston, RI, United States, (3)National Institute of Geological Sciences, University of the Philippines, Quezon City, Philippines
 
Apparent Disequilibrium of Inorganic and Organic Carbon Compounds in Serpentinizing Fluids
Kirtland Robinson and Everett Shock, Arizona State University, Tempe, AZ, United States
 
Methane Seepage at Hyperalkaline Springs in the Ronda Peridotite Massif (Spain)
Giuseppe Etiope1, Iñaki Vadillo2, Michael John Whiticar3, José Manuel Marques4, Paula M. Carreira4, Igor Tiago5, José Benavente6, Pablo Jimenez7 and Begoña Urresti7, (1)Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma 2, Roma, Italy, (2)University of Malaga, Centre of Hydrogeology, Malaga, Spain, (3)University of Victoria, Victoria, BC, Canada, (4)Universidade de Lisboa, Instituto Superior Técnico, Lisbon, Portugal, (5)University of Coimbra, Department of Life Sciences, Coimbra, Portugal, (6)University of Granada, Water Research Institute, Granada, Spain, (7)University of Malaga, Centre of Hydrogeology,, Malaga, Spain
 
Abiotic Methane in Land-Based Serpentinized Peridotites: New Discoveries and Isotope Surprises
Michael John Whiticar, University of Victoria, Victoria, BC, Canada and Giuseppe Etiope, National Institute of Geophysics and Volcanology, Rome, Italy
 
New Isotopic Constraints on the Sources of Methane at Sites of Active Continental Serpentinization
David T Wang1,2, Danielle Gruen1,2, Penny L Morrill3, Amanda Rietze4, Kenneth H Nealson5, Michael D. Kubo6, Dawn Cardace7, Matthew O Schrenk8,9, Tori M Hoehler6, Thomas M McCollom10, Giuseppe Etiope11, Hakan Hosgormez12, Martin Schoell13 and Shuhei Ono1, (1)MIT, Cambridge, MA, United States, (2)WHOI, Woods Hole, MA, United States, (3)Memorial University of Newfoundland, St John's, NL, Canada, (4)Memorial University of Newfoundland, St John's, Canada, (5)University of Southern California, Los Angeles, CA, United States, (6)NASA Ames Research Center, Moffett Field, CA, United States, (7)University of Rhode Island, Kingston, RI, United States, (8)East Carolina University, Greenville, NC, United States, (9)Michigan State University, East Lansing, MI, United States, (10)Univ Colorado, Boulder, CO, United States, (11)Istituto Nazionale di Geofisica e Vulcanologia, Sezione Roma 2, Roma, Italy, (12)Istanbul University, Istanbul, Turkey, (13)GasConsult International Inc., Berkeley, CA, United States
 
Discovery of New Methane-bearing Hyperalkaline Springs in the Serpentinized Dun Mountain Ophiolite, New Zealand
Joanna Frances Pawson1, Christopher Oze1, Giuseppe Etiope2 and Travis W Horton1, (1)University of Canterbury, Christchurch, New Zealand, (2)National Institute of Geophysics and Volcanology, Rome, Italy
 
Spatial Distribution of Hydrogen Production Zone and Organic Carbon; Case Study from Jurassic Ocean Plateau, the Mikabu Greenstone Belt, Central Shikoku, Japan.
Yumi Ando1, Kazuaki Okamoto1 and Masaru Terabayashi2, (1)Saitama University, Saitama, Japan, (2)Kagawa University, Kagawa, Japan
 
In situ thermodynamic monitoring of serpentinization and H2 generation - An experimental study
Colin Fauguerolles, Teddy Castelain, Johan Villeneuve and Michel Pichavant, ISTO Institut des Sciences de la Terre d'Orléans, Orléans Cedex 2, France
 
An analytical model of the free H2 produced by serpentinization within oceanic lithosphere
Stacey L Worman1, Lincoln Pratson1, Thomas Henry Darrah2, Jeffrey Alan Karson3 and Emily M Klein1, (1)Duke University, Earth and Ocean Sciences, Durham, NC, United States, (2)Duke University, Durham, NC, United States, (3)Syracuse University, Earth Sciences, Syracuse, NY, United States
 
Vein Formation and Element Mobility During Serpentinization of Peridotites: Mineralogy and Thermodynamic Modeling
Esther Martina Schwarzenbach, Virginia Polytechnic Institute and State University, Geosciences, Blacksburg, VA, United States, Mark J Caddick, Virginia Tech, Blacksburg, VA, United States and James S Beard, Virginia Museum Natural Hist, Martinsville, VA, United States
 
Si-Metasomatism During Serpentinization of Jurassic Ultramafic Sea-floor: a Comparative Study
Monica Vogel1, Gretchen L Frueh-Green1, Chiara Boschi2 and Esther Martina Schwarzenbach3, (1)ETH Swiss Federal Institute of Technology, Institute of Geochemistry and Petrology, Zürich, Switzerland, (2)CNR, Institute of Geosciences and Earth Resources, Pisa, Italy, (3)Virginia Polytechnic Institute and State University, Geosciences, Blacksburg, VA, United States
 
Low-temperature peridotite hydration in the shallow subsurface in Oman
Hannah Marie Miller1, Peter B Kelemen2, Juerg Matter3 and Alexis S Templeton1, (1)University of Colorado at Boulder, Boulder, CO, United States, (2)Columbia University of New York, Palisades, NY, United States, (3)University of Southampton, Southampton, United Kingdom
 
CO2- and Ca-rich Fluids Drive Dolomite Formation During Hydrothermal Alteration of Peridotite
Niya G Grozeva1, Frieder Klein2, Jeffrey Seewald2 and Sean Sylva2, (1)Massachusetts Institute of Technology, Cambridge, MA, United States, (2)WHOI, Woods Hole, MA, United States
 
By-products of the serpentinization process on the Oman ophiolite : chemical and isotopic composition of carbonate deposits in alkaline springs, and associated secondary phases
Isabelle Martinez1, Olivier Sissmann2, Eric Deville2, Valérie Beaumont2, Daniel Pillot2, Alain Prinzhofer1, Christèle Vacquand1, Carine Chaduteau1, Pierre Agrinier1 and Francois J Guyot3, (1)Institut de Physique du Globe de Paris, Paris, France, (2)IFP Energies nouvelles, Rueil-Malmaison Cedex, France, (3)IMPMC Institut de Minéralogie et de Physique des Milieux Condensés, Paris Cedex 05, France
 
Clumped isotope disequilibrium during rapid CO2 uptake and carbonate precipitation in subaerial alkaline springs associated with ongoing serpentinization
Elisabeth Streit Falk1, Weifu Guo1 and Peter B Kelemen2, (1)Woods Hole Oceanographic Inst., Woods Hole, MA, United States, (2)Columbia University of New York, Palisades, NY, United States
 
Dissolution–precipitation processes governing the carbonation and silicification of the serpentinite sole of the New Caledonia ophiolite
Marc Ulrich1, Manuel Munoz2, Stephane Guillot2, Michel Cathelineau3, Christian Picard4, Benoit Quesnel5, Philippe Boulvais5 and Clement Couteau6, (1)Institut de Physique du Globe Strasbourg, Strasbourg Cedex, France, (2)Institut des Sciences de la Terre (ISTerre), CNRS - Université Joseph Fourier, Grenoble, France, (3)Universite de Lorraine, Georessources, Vandoeuvre-les-Nancy, France, (4)Université de Besançon, Laboratoire chrono-environnement, Besançon, France, (5)Géosciences Rennes, Rennes Cedex, France, (6)Koniambo Nickel SAS, Koné, New Caledonia
 
Integration of 3 Consecutive Years of Aqueous Geochemistry Monitoring Serpentinization at the Coast Range Ophiolite Microbial Observatory (CROMO), Northern California, USA
Dawn Cardace1, Tori M Hoehler2, Thomas M McCollom3, Matthew O Schrenk4 and Michael D. Kubo2, (1)University of Rhode Island, Kingston, RI, United States, (2)NASA Ames Research Center, Moffett Field, CA, United States, (3)Univ Colorado, Boulder, CO, United States, (4)East Carolina University, Greenville, NC, United States
 
Timescales and rates for peridotite-groundwater reactions in the Samail Ophiolite, Sultanate of Oman
Amelia N Paukert1,2, Juerg Matter1,3, Martin Stute1,4 and Peter B Kelemen1,2, (1)Lamont -Doherty Earth Observatory, Palisades, NY, United States, (2)Columbia University of New York, Palisades, NY, United States, (3)University of Southampton, Southampton, United Kingdom, (4)Barnard College, New York, NY, United States
 
Evolution of fracture permeability of ultramafic rocks at hydrothermal conditions: An experimental study on serpentinization reactions
Aida Farough1, Diane E Moore2, David A Lockner2 and Robert P Lowell1, (1)Virginia Polytechnic Institute and State University, Geosciences, Blacksburg, VA, United States, (2)USGS, Menlo Park, CA, United States
 
Mass transfer of Fe during the serpentinization of olivine by SiO2 rich fluid at 300°C, 500 bars: Perspectives from mineral dissolution/precipitation rates and Fe isotope systematics
Drew D Syverson1, Benjamin M Tutolo1, David M Borrok2 and William E Seyfried Jr1, (1)University of Minnesota Twin Cities, Minneapolis, MN, United States, (2)University of Louisiana at Lafayette, Lafayette, LA, United States
 
Heat Source for Active Venting at the Lost City Hydrothermal Field
Joshua Eric Smith1, Leonid N Germanovich1 and Robert P Lowell2, (1)Georgia Tech, Atlanta, GA, United States, (2)Virginia Tech, Geosceinces, Blacksburg, VA, United States
 
Origin of Magnetic High at Basalt-Ultramafic Hosted Hydrothermal Vent Field in the Central Indian Ridge
Masakazu Fujii1, Kyoko Okino1, Taichi Sato2, Hiroshi Sato3 and Kentaro Nakamura4, (1)AORI, Univ. Tokyo, Kashiwa, Japan, (2)AIST, Ibaraki, Japan, (3)Senshu University, Kanagawa, Japan, (4)University of Tokyo, Bunkyo-ku, Japan
 
Crystallogenesis of Mixed-Valence Fe-Serpentines: Implications for Their Formation during the Aqueous Alteration of Carbonaceous Chondrites' Parent Body
Florent Caste1, Agnes Elmaleh1, Mustapha Abdelmoula2, Nicolas Menguy1, Georges Ona-Nguema1 and Martine Gérard1, (1)Institut de Minéralogie, de Physique des Matériaux, et de Cosmochimie (IMPMC), Sorbonne Universités - UPMC Univ. Paris 06, UMR CNRS 7590, Muséum National d’Histoire Naturelle, UR 206, 4 Place Jussieu, F-75005 Paris, France, (2)Laboratoire de Chimie Physique et Microbiologie pour l’Environnement (LCPME), UMR 7564 CNRS−Université de Lorraine, 405 rue de Vandoeuvre, 54600 Villers-les-Nancy, France
 
Iron Oxidation Processes During Asteroidal Fluid-Rock Interactions: a Nanoscale Study of Serpentine-bearing Alteration Assemblages in the Murray Meteorite
Agnes Elmaleh1, Franck Bourdelle2, Karim Benzerara1, Florent Caste1, Hugues Leroux3 and Bertrand Devouard4, (1)Institut de Minéralogie, de Physique des Matériaux et de Cosmochimie, UPMC / CNRS / MNHN / IRD, Paris, France, (2)LGCgE, Université Lille 1, Villeneuve d'Ascq, France, (3)Unite Materiaux et Transformations - Université Lille 1/CNRS, Villeneuve d’Ascq, France, (4)CEREGE, Aix-Marseille Université / CNRS, Aix-en-Provence, France