Goldschmidt 2008: Program for Session 16a

Program for Session 16a

218	Bedrock Erosion Rates in the Antarctic Dry Valleys Balco G, Putkonen J, Morgan D, Schaefer J & Winckler G
219	Pb, Sr and Nd Isotopic Constraints on the Evolving Provenance of the Red River Clift P, Ellam R, Hinton R & Tan MT
220	Isotope Fractionation of Dissolved Silicon in Groundwater – Weathering of Secondary Minerals? Georg B, Zhu C, Basu A & Halliday A
**221	Hot Spring Spurted into Laterite Layer: Geology and Geochemistry Evidence Gong Q, Deng J, Yang L, Wang Q & Wang W
222	Seasonal Trends in Solutes and ⁸⁷Sr/⁸⁶Sr Ratios of SE Tibet Rivers: Yarlung Tsangpo and Parlung Hagedorn B, Nelson B, Kennell T, Henck A & Hallet B
**223	Weathering Processes and Source of DIC for Two Contrasting Small Watersheds in the Subtropical Zone, China Ji H, Jiang Y & Li T
224	Chemical Weathering of Qinghai-Tibet Plateau: Geochemical Study of Jinsha Jiang, Lancang Jiang, and Nu Jiang River Water, China Liu C-Q, Zhao Z-Q, Tao F & Li S-L
225	Landscape Evolution of Northern New Mexico as Recorded in Jarosite Samuels K, Lueth V, Campbell A & Peters L
226	The Behaviour of Mg and Li Isotopes during the Dissolution and Precipitation of Silicate Minerals Wimpenny J, James R, Gislason S, Gannoun M & Burton K
227	Lithium Isotope Geochemistry in a Polar Desert, McMurdo Dry Valleys, Antarctica Witherow R, Henderson G & Lyons WB
**228	Geochemistry of Silicon and Oxygen in the Regolith on Feihong Ultramafic Complex,West Yunnan,China Yang Z, Liu Y & Tian S

10:00	Keynote: U-Isotope Fractionation during Chemical Weathering Bourdon B, Andersen M, Erel Y & Pili E
10:30	Calibrating U-Series Tools for Weathering Rate and Duration on a Soil Sequence of Known Ages Keech A, Pett-Ridge J, West J & Henderson G
10:45	Invited: U-Series Comminution Ages from a Pleistocene Alluvial Fan Lee V, DePaolo D & Christensen J
11:00	Quaternary Weathering Rates and Marine Geochemical Budgets Vance D, Teagle D & Foster G
11:15	Invited: Chemical Weathering Trends and North American Freshwater Discharge Recorded in the Western North Atlantic during Termination 1 Gutjahr M, Frank M, Halliday AN & Keigwin LD
11:30	The Marine Pb Isotope Response to Ice Sheet Growth and Decay Crocket KC, Foster GL, Richards DA, Vance D, Tranter M & Wadham JL
12:00	Strontium Stable Isotope Variations Accompanying Continental Weathering with Implications for the Marine Radiogenic Strontium Record Burton K, Parkinson I & Mokadem F
12:15	Ca Isotopes and the Rainfall Limit of Silicate Weathering on Earth Ewing S, Amundson R, Stewart BW, Thiemens M & DePaolo D

14:00	Ca Isotope Ratios in the Largest Rivers in the World: Implications for the Global Ca Budget and Weathering Processes Tipper E, Gaillardet J, Galy A, Louvat P & Bickle M
14:15	Geochemical Signatures are Driven by Seasonal Flow Regimes in the Chena River Near Fairbanks, Alaska Douglas T, Blum J, Keller K, Guo L & Cai Y
14:30	Isotopic Tracing of Carbon Weathering in the Amazon River Bouchez J, Gaillardet J, France-Lanord C & Galy V
14:45	Origin of Riverine Dissolved Inorganic Carbon: Comparison between West Indies, Reunion and Iceland Rive K, Agrinier P & Gaillardet J
**15:00	Transition Metal Isotopes in Rivers and the Weathering Environment Archer C & Vance D
15:15	Molybdenum Isotope Fractionation Accompanying Weathering, Riverine Transport and Estuarine Mixing Pearce CR, Burton K, Pogge von Strandmann P, James R & Cohen A
15:30	Molybdenum Isotopes as Proxy for Redox Conditions during Weathering Pett-Ridge J, Siebert C & Halliday A
15:45	Lithium Isotope Fractionation along a Weathering Chronosequence Lemarchand E, Reynolds BC, Wiederhold JG, Bourdon B & Kretzschmar R
16:00	Silicon Cycle in Weathering Sequences of Volcanic Soils in Cameroon Using δ³⁰Si and Ge/Si Opfergelt S, Delvaux B, Cardinal D, Delvigne C & André L