B31H:
Biogenic Carbonates: From Biocalcification to Geochemical Proxies I

Wednesday, 17 December 2014: 8:00 AM-10:00 AM
Chairs:  Weifu Guo, Woods Hole Oceanographic Inst., Woods Hole, MA, United States, Glenn A Gaetani, WHOI, Geology & Geophysics, Woods Hole, MA, United States, Anne L Cohen, Woods Hole Oceanographic Inst, Woods Hole, MA, United States and Alexander C Gagnon, University of Washington Seattle Campus, Seattle, WA, United States
Primary Conveners:  Weifu Guo, Woods Hole Oceanographic Inst., Woods Hole, MA, United States
Co-conveners:  Alexander C Gagnon, University of Washington Seattle Campus, Seattle, WA, United States, Glenn A Gaetani, WHOI, Geology & Geophysics, Woods Hole, MA, United States and Anne L Cohen, Woods Hole Oceanographic Inst, Woods Hole, MA, United States
OSPA Liaisons:  Weifu Guo, Woods Hole Oceanographic Inst., Woods Hole, MA, United States

Abstracts Submitted to this Session:

8:00 AM
B31H-01
 
Up-scaling mineral-aqueous interfacial processes that govern isotope and trace element partitioning during calcite growth
Laura Nielsen Lammers, University of California Berkeley, Berkeley, CA, United States
8:15 AM
B31H-02
 
The Influence of Temperature, pH, and Growth Rate on the Stable Isotope Composition of Calcite
James M Watkins1, Jonathan D Hunt2, Frederick J Ryerson2 and Donald J DePaolo3, (1)University of Oregon, Eugene, OR, United States, (2)Lawrence Livermore National Laboratory, Livermore, CA, United States, (3)Lawrence Berkeley National Laboratory, Berkeley, CA, United States
8:30 AM
B31H-03
 
Kinetic Effects on B/Ca in Synthetic Calcite: Implications for B(OH)4- and B(OH)3 Incorporation.
Joji Uchikawa, University of Hawaii, Honolulu, HI, United States, Donald E Penman, University of California Santa Cruz, Earth and Planetary Sciences, Santa Cruz, CA, United States, James C Zachos, University of California Santa Cruz, Santa Cruz, CA, United States and Richard E Zeebe, Univ Hawaii Manoa, Honolulu, HI, United States
8:45 AM
B31H-04
 
Probing the internal calcification chemistry of O. universa using B/Ca
Katherine Holland, Australian National University, Canberra, ACT, Australia, Stephen Eggins, Australian National University, Research School of Earth Sciences, Canberra, Australia, Baerbel Hoenisch, Lamont-Doherty Earth Observatory, Palisades, NY, United States, Laura Haynes, Columbia University of New York, Palisades, NY, United States and Ann D Russell, University of California Davis, Davis, CA, United States
9:00 AM
B31H-05
 
The effect of light on the Mg/Ca ratio in the planktic foraminifer Orbulina universa: implications for a light driven vital effect on Mg incorporation into foraminiferal calcite
Jennifer S Fehrenbacher1, Ann D Russell1, Alexander C Gagnon2, Howard J Spero1, Katherine Holland3, Jordan Snyder1 and Eric Naumann1, (1)University of California Davis, Department of Earth and Planetary Sciences, Davis, CA, United States, (2)University of Washington Seattle Campus, Seattle, WA, United States, (3)Australian National University, Canberra, ACT, Australia
9:15 AM
B31H-06
 
Assessing the influence of seawater sulfate, pH, and Mg/Ca on the sulfate concentration of foraminiferal calcite.
Guillaume Paris1, Jennifer S Fehrenbacher2, Ann D Russell2, Elisa A Bonnin3, Alex L Sessions1, Howard J Spero2 and Jess F Adkins1, (1)California Institute of Technology, Pasadena, CA, United States, (2)University of California Davis, Davis, CA, United States, (3)University of Washington Seattle Campus, School of oceanography, Seattle, WA, United States
9:30 AM
B31H-07
 
Sodium in foraminiferal calcite as a direct proxy for salinity
Eveline Mezger1, Lennart Jan de Nooijer1, Adriana Dueñas-Bohórquez2 and Gert-Jan Reichart1,2, (1)NIOZ Royal Netherlands Institute for Sea Research, Geology and Chemical Oceanography, 1790AB, Den Burg, Texel, Netherlands, (2)Department of Earth Sciences, Faculty of Geosciences, Utrecht University. Budapestlaan 4, 3584CD, Utrecht, Netherlands
9:45 AM
B31H-08
 
What’s in a Shell? – Interactions of Chemistry and Structure at Submicron Levels in Bivalve Shells
Dorrit E Jacob1, Sandra Piazolo1 and Patrick Trimby2, (1)Macquarie University, Sydney, Australia, (2)University of Sydney, Sydney, Australia
 
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