EP14A:
Deciphering Isotope Signatures of Earth Surface and Critical Zone Processes I

Session ID#: 4439

Monday, 15 December 2014: 4:00 PM-6:00 PM
2007 (Moscone West)
Chairs:  Fang-zhen Teng, University of Washington, Isotope Laboratory, Earth and Space Sciences, Seattle, United States and Lin Ma, University of Texas, El Paso, Geological Sciences, El Paso, TX, United States
Primary Convener:  Fang-zhen Teng, University of Washington, Isotope Laboratory, Earth and Space Sciences, Seattle, United States
Co-conveners:  Lin Ma, University Of Washington, Seattle, WA, United States and Jerome Gaillardet, Institut de Physique du Globe de Paris, Paris, France
OSPA Liaison:  Jerome Gaillardet, Institute de Physique d Globe Paris, Paris, France
Co-Sponsor(s):
  • V - Volcanology, Geochemistry and Petrology
Virtual Option?: No

Abstracts Submitted to this Session:

Lithium Isotopes as Proxy of Continental Silicate Weathering (Invited) (2688)
Xiao-Ming Liu, Carnegie Inst of Washington, washington DC, DC, United States; Univ Maryland, College Park, MD, United States, Christoph Wanner, Lawrence Berkeley National Laboratory, Earth Sciences Division, Berkeley, CA, United States, Roberta L Rudnick, University of California, Earth Science, Santa Barbara, United States and William F McDonough, Tohoku University, Sendai, Japan
Large-scale fractionation of lithium isotopes during continental weathering and erosion: Insights from the Amazon River basin (12050)
Mathieu Dellinger1, Jerome Gaillardet2, Julien Bouchez2, Damien Calmels2 and Pascale Louvat2, (1)University of Southern California, Los Angeles, United States, (2)Institute de Physique d Globe Paris, Paris, France
Magnesium isotope fractionation during continental weathering (30124)
Fang-zhen Teng, University of Washington, Isotope Laboratory, Earth and Space Sciences, Seattle, United States, Kang-Jun Huang, Peking University, School of Earth and Space Sciences, Beijing, China, Wang-Ye Li, USTC University of Science and Technology of China, School of Earth and Space Sciences, Hefei, China, Xiao-Ming Liu, Carnegie Institution for Science, Washington, DC, United States and Lin Ma, University of Texas at El Paso, Earth, Environmental, and Resources Sciences, El Paso, TX, United States
CZ-Tope: Using Measurements of Multiple Isotopes in One Setting to Understand Critical Zone Processes Occurring over Different Timescales (Invited) (12631)
Susan L Brantley, Pennsylvania State University Main Campus, Earth and Environmental Systems Institute, University Park, PA, United States
Molybdenum isotope fractionation in the critical zone (19406)
Julie C Pett-Ridge, Oregon State University, Department of Crop and Soil Sciences, Corvallis, United States, Christopher Siebert, GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, Sophie Opfergelt, University of Oxford, Oxford, United Kingdom, Kevin W Burton, Durham University, Durham, United Kingdom and Alexander Halliday, Columbia University, Columbia Climate School, New York, United States
THERMODYNAMIC CONTROL OF THE ISOTOPE COMPOSITION OF DIVALENT METAL CATIONS IN AQUEOUS SOLUTIONS AND IN CARBONATE MINERALS (Invited) (4546)
Jacques Schott, CNRS, Toulouse, France, Vasileios Mavromatis, Queen's University, Geological Sciences, Kingston, ON, Canada, Christopher R Pearce, University of Southampton, Southampton, United Kingdom, Toshiyuki Fujii, Kyoto University, Kyoto, Japan and Eric H Oelkers, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
Fractionation, concentration and flow: A model coupling stable isotope ratios to fluid travel time and chemical reactivity (27083)
Katharine Maher, Stanford University, Geological and Environmental Sciences, Stanford, CA, United States and Jennifer L Druhan, University of Illinois, Urbana Champaign, United States
Silicon Isotopes As a New Method of Measuring Silicate Mineral Reaction Rates in the Critical Zone (10825)
Chen Zhu1, Augustus Scheafer1, Chao Wang1, Zhaoyun Liu2, Hongling Yuan3 and Rudolf Bastian Georg4, (1)Indiana University Bloomington, Bloomington, IN, United States, (2)Zhejiang University, Hangzhou, China, (3)Northwest University, Xian, China, (4)Trent University, Peterborough, ON, Canada