8:00 AM

Mineralogical Study for a Safer and Cleaner World: The Study of Thermodynamics and Kinetics of Crystalline Nuclear Waste Forms

Huifang Xu, University of Wisconsin - Madison; Yifeng Wang, Sandia National Laboratories

8:15 AM

132-2

Amphibole Asbestos Contamination of Soil In Libby, Montana from a Former Vermiculite Mine, or Not?

Mickey E. Gunter, University of Idaho

8:30 AM

132-3

Cadmium Adsorption on Mixed Mineral Assemblages of Kaolinite, Silica and Hydrous Ferric Oxide

Melinda S. Schaller, Western Michigan University; Carla M. Koretsky, Western Michigan University

8:45 AM

132-4

Effects of Particle Size on Arsenic Speciation, Distribution, and Bioavailability in Mine Wastes

Christopher S. Kim, Chapman University; Stefanie R. Miller, Chapman University; Kimberly M. Wilson, Chapman University; Eric Sugihara, Chapman University; James J. Rytuba, US Geological Survey

9:00 AM

132-5

Arsenic Cycling during Chlorine Oxidation of Pyrite from the St. Peter Sandstone Aquifer, Eastern Wisconsin

Nicole West, Virginia Tech; Madeline Schreiber, Virginia Tech; Madeline Gotkowitz, Wisconsin Geol and Nat History Survey

9:15 AM

132-6

Geochemistry of Scorodite-Bearing Hardpan and Its Significance to Arsenic Cycling at a Former Gold Mine

Stephanie L. DeSisto, Queen's University; Heather E. Jamieson, Queen's University; Michael B. Parsons, Geological Survey of Canada (Atlantic)

9:30 AM

132-7

Cu Isotope Fractionation during Dissolution of Cu Sulfide Minerals: Assessing Metal Sources in Acid Mine Drainage with Isotope Analysis and Time-Resolved Synchrotron X-Ray Diffraction

Andrew J. Wall, Penn State University; Peter J. Heaney, Penn State University; Ryan Mathur, Juniata College; Jeffrey E. Post, Smithsonian Institution

9:45 AM

132-8

Quantifying Mineralogical Transformations of Ferrihydrite Sulfidization in Microcapillary Columns by Rietveld Refinements Using In Situ Synchrotron-Based WAXS

Andrew N. Quicksall, Dartmouth College; Benjamin C. Bostick, Dartmouth College; Matthew R. Siegfried, Dartmouth College

10:00 AM

132-9

Mineralogical Changes during Ferrihydrite Sulfidization and Its Impact on Metal Behavior

Y. Thomas He, U.S. Environmental Protection Agency, National Risk Management Research Laboratory; John T. Wilson, U.S. Environmental Protection Agency, National Risk Management Research Laboratory; Rick T. Wilkin, U.S. Environmental Protection Agency, National Risk Management Research Laboratory

10:15 AM

132-10

Observations of Silicates in Both Retarding and Accelerating the Oxidation of Pyritic Sulfide in the Soil Environment

Joan E. Thomas, Jefferson lab; Paul Weber, Solid Energy New Zealand Ltd; Roger St.C Smart, University of South Australia; William Skinner, University of South Australia; Russell Schumann, University of South Australia

10:30 AM

132-11

Layered Manganese Oxide Stream Deposits In Spring Creek, Tennessee

Elizabeth A. Johnson, James Madison University; Brent Means, Office of Surface Mining Reclamation and Enforcement; Kathy Bordwell, James Madison University; Jeffrey E. Post, Smithsonian Institution

10:45 AM

132-12

Zn Surface Complexes on Birnessite. A Density Functional Theory Study

Kideok Kwon, Lawrence Berkeley National Laboratory; Keith Refson, Rutherford Appleton Laboratory; Garrison Sposito, Lawrence Berkeley National Laboratory

11:00 AM

132-13

The Origin of Nano-Scale Stability Reversals in Titanium Oxide Minerals

Daniel R. Hummer, The Pennsylvania State University; Peter J. Heaney, Penn State University; James D. Kubicki, The Pennsylvania State University; Jeffrey E. Post, Smithsonian Institution

11:15 AM

132-14

Towards a Mechanistic Understanding of Autunite Dissolution

Dawn M. Wellman, Pacific Northwest National Laboratory; Rolf S. Arvidson, Rice University; Kevin J. Davis, Rice University; Andreas Luttge, Rice Univ

11:30 AM

132-15

Mineralogical and Hydrochemical Behaviour of a DAS-Passive Treatment System In SW Spain

Manuel Antonio Caraballo Monge, University of Huelva; Francisco Mac�as Su�rez; Tobias R�tting; Jos� Miguel Nieto Li��n, University of Huelva; Carlos Ayora Iba�ez, CSIC

11:45 AM

132-16

Pedotransfer Functions to Estimate Phosphate Maximum Adsorption Capacity for the B-Horizon of Soils from the State of Paran�, Brazil

Antonio C.S. Costa, Universidade Estadual de Maring�; Ivan G. Souza Junior, Universidade Estadual de Maring�; Marcelo A. Batista, Universidade Estadual de Maring�; Jerry M. Bigham, The Ohio State University; Cesar C. Villar, Universidade Estadual de Maring�

2008 Joint Annual Meeting (5-9 Oct. 2008): Environmental Mineralogy

132 Environmental Mineralogy