Wednesday, 8 October 2008: 8:00 AM

George R. Brown Convention Center, 310CF

Presiding:

E. Troy Rasbury and Franco Marcantonio

8:00 AM

Secular Change In the Stable Sulfur Isotope Composition of Seawater Sulfate Inferred from Organic Sulfur In Marine-Sourced Crude Oils

Michael H. Engel, Univ of Oklahoma; John E. Zumberge, GeoMark Research, Ltd

8:15 AM

294-2

Secular Variations In the Major Ion Chemistry of Seawater: State of the Art

Tim K. Lowenstein, Binghamton University

8:30 AM

294-3

The Magnesium Isotope Budget of the Modern Oceans

Edward T. Tipper, ETH Zurich; Albert Galy, University of Cambridge; Jérome Gaillardet, Institut de Physique du Globe de Paris-Universit\'e Paris Diderot; Mike J. Bickle, Univ of Cambridge

8:45 AM

294-4

Punctuation and Stasis In the Marine Os Isotope Record, and Implications for Changing Oceanic Inputs

Greg Ravizza, University of Hawaii

9:00 AM

294-5

Reorganization and Strengthening of Ocean Circulation in the Oligocene: Stable Isotopic and Trace Element Records from Western North Atlantic Intermediate Waters

Miriam Katz, Rensselaer Polytechnic Institute; Benjamin Cramer, University of Oregon; Mark Feigenson, Rutgers University; Kenneth Miller, Rutgers University; Chengjie Liu, ExxonMobil Exploration Co; Yair Rosenthal, Rutgers University; Bridget Wade, Texas A&M Univ; James D. Wright, Rutgers University

9:15 AM

294-6

Contrasting Sulfur Isotope and Iron Speciation Measurements across Paleoenvironmental Gradients during the Cenomanian-Turonian Oceanic Anoxic Event (OAE2)

Derek D. Adams, Northwestern University; Matthew T. Hurtgen, Northwestern University; Bradley B. Sageman, Northwestern University; Jason A. Flaum, Northwestern University

9:30 AM

294-7

The Relationship Between ⁸⁷Sr/⁸⁶Sr and Seawater Chemistry

Troy Rasbury, Stony Brook University; William E. Holt, Stony Brook University; Aaeron Frodsham, Stony Brook University; Brittany Ekstrom, Stony Brook University; Janette Wilson, Stony Brook University

9:45 AM

294-8

Formation of Early-Cambrian Stratiform Barite Deposits in South China

Hua Yu, Rice University; Gerald R. Dickens, Rice University; Glen Snyder, Rice University

10:00 AM

294-9

Behavior of Carbonate-Associated Sulfate during Meteoric Diagenesis and Implications for the Sulfur Isotope Paleoproxy

Benjamin Gill, University of California-Riverside; Timothy Lyons, University of California; Tracy Frank, Univ of Nebraska

10:15 AM

294-10

Unusual Ca-Rich Formation-Waters from Devonian Aquifers in Western Canada: Possible Relict Seawater?

Ben J. Rostron, Univ of Alberta

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2008 Joint Annual Meeting (5-9 Oct. 2008): Geochemical Tracers of Changes in Seawater Chemistry

294 Geochemical Tracers of Changes in Seawater Chemistry