Session: Experimental, Theoretical, Stable Isotope, and Predictive Studies of Sulfide Oxidation Processes in the Field and Laboratory (2005 Salt Lake City Annual Meeting (October 16

Paper #

Start Time

1

8:00 AM

MICROBIAL COMMUNITIES IN MINE-IMPACTED ENVIRONMENTS OF PRINCE WILLIAM SOUND, ALASKA

FOSTER, Andrea L., U.S. Geol Survey, 345 Middlefield Rd. MS 901, Menlo Park, CA 94025, MUNK, LeeAnn, Geological Sciences, Univ of Alaska Anchorage, 3211 Providence Drive, Anchorage, AK 99508, KOSKI, Randolph A., U.S. Geol Survey, 345 Middlefield Road, MS901, Menlo Park, CA 94025, SHANKS, W.C., U.S. Geological Survey and STILLINGS, Lisa L., U.S. Geol Survey, MS-176, University of Nevada-Reno, Reno, NV 89557-0047, afoster@usgs.gov, afoster@usgs.gov

2

8:15 AM

SULFIDE MINERAL OXIDATION PROCESSES AND METAL FLUXES IN THE INTERTIDAL ZONE: ELLAMAR, THREEMAN, AND BEATSON MINES, PRINCE WILLIAM SOUND, ALASKA

SHANKS III, Wayne C., U.S. Geological Survey, 973 Denver Federal Center, Denver, CO 80225, MUNK, LeeAnn, Geological Sciences, Univ of Alaska Anchorage, 3211 Providence Drive, Anchorage, AK 99508, STILLINGS, Lisa, U.S. Geological Survey, Reno, NV 89557-0047, KOSKI, Randolph, U.S. Geological Survey, MS 901, 345 Middlefield Rd, Menlo Park, CA 94025, FOSTER, Andrea L., US Geol Survey, 345 Middlefield Road, Menlo Park, 94025 and LOVALVO, David, Eastern Oceanics, Inc, 25 Limekiln Rd, West Redding, CT 06896, pshanks@usgs.gov, pshanks@usgs.gov

3

8:30 AM

EXPERIMENTAL STUDIES OF COPPER SULFIDE OXIDATION BY ACIDITHIOBACILLUS FERROOXIDANS IN ACIDIC MINE DRAINAGE SYSTEMS

THURSTON, Roland S., Chemistry, Colorado School of Mines, 1500 Illinois St, Golden, CO 80401, MANDERNACK, Kevin W., Department of Chemistry and Geochemistry, Colorado School of Mines, 1500 Illinios Street, Golden, CO 80401 and SHANKS III, Wayne C., rthurso@mines.edu, rthurso@mines.edu

4

8:45 AM

EXPERIMENTAL STUDIES OF SPHALERITE (ZNS) DISSOLUTION: RELATIVE SIGNIFICANCE OF PH, DISSOLVED OXYGEN, AND FERRIC IRON ON RATES OF ZINC SOLUBILIZATION

STANTON, Mark R.¹, GEMERY-HILL, Pamela A.¹, SHANKS III, Wayne C. and TAYLOR, Cliff D.³, (1)US Geological Survey, Mail Stop 973, Denver Federal Center, Denver, CO 80225, (2)U.S. Geological Survey, Central Mineral and Environmental Resources Science Center, Box 25046 Denver Federal Center, MS-973, Denver, CO 80225, mstanton@usgs.gov, mstanton@usgs.gov

5

9:00 AM

CHALCOPYRITE WEATHERING: LABORATORY VS NATURAL ENVIRONMENTS

STILLINGS, Lisa L., U.S. Geol Survey, MS-176, University of Nevada-Reno, Reno, NV 89557-0047, SLADEK, Chris, Dept Geological Sciences, University of Nevada, Reno, MS-168, Reno, NV 89557, KOSKI, Randolph A., U.S. Geological Survey, 345 Middlefield Rd. MS901, Menlo Park, CA 94025, SHANKS III, Wayne C., U.S. Geological Survey, 973 Denver Federal Center, Denver, CO 80225, FOSTER, Andrea L., Mineral Resources Team, U.S. Geological Survey, 345 Middlefield Rd., MS 901, Menlo Park, CA 94025 and MUNK, LeeAnn, Department of Geological Sciences, University of Alaska Anchorage, 3211 Providence Drive, Anchorage, AK 99508, stilling@usgs.gov, stilling@usgs.gov

6

9:15 AM

GEOCHEMICAL EVOLUTION OF SOLUTIONS DERIVED FROM LABORATORY WEATHERING EXPERIMENTS OF SULFIDE-BEARING ORES

MUNK, LeeAnn, Department of Geological Sciences, Univ of Alaska Anchorage, 3211 Providence Drive, Anchorage, AK 99508, FAURE, Gunter, Department of Geological Sciences, The Ohio State Univ, 125 South Oval Mall, Columbus, OH 43210 and KOSKI, Randolph, U.S. Geological Survey, MS 901, 345 Middlefield Rd, Menlo Park, CA 94025, aflm@uaa.alaska.edu, aflm@uaa.alaska.edu

7

9:30 AM

THE EFFECT OF GYPSUM COATINGS ON CALCITE DISSOLUTION RATES AND THE TREATMENT OF AMD

HUMINICKI, Danielle M.C., Geosciences, Virginia Tech, 28B-513 Hunt Club Road, Blacksburg, VA 24060 and RIMSTIDT, J. Donald, Geosciences, Virginia Tech, Blacksburg, VA 24061-0420, dhuminic@vt.edu, dhuminic@vt.edu

9:45 AM

Break

8

10:00 AM

UNRAVELING AQUEOUS SULFATE STABLE ISOTOPES FROM PYRITE OXIDATION AND GYPSUM DISSOLUTION IN THE UPPER ANIMAS DRAINAGE BASIN, SAN JUAN MOUNTAINS, COLORADO

NORDSTROM, D. Kirk, U.S. Geol Survey, 3215 Marine Street, Suite E-127, Boulder, CO 80303, WRIGHT, Winfield G., Hydro-Logic, 265 Ridge Road, Durango, CO 81303, MAST, M. Alisa, U.S. Geol Survey, Denver, CO 80225, BOVE, Dana J., U.S. Geol Survey, M.S. 964 Box 25046 Denver Federal Center, Denver, CO 80225-0046 and RYE, Robert O., USGS, Denver Federal Center, Colorado, 80225, dkn@usgs.gov, dkn@usgs.gov

9

10:15 AM

CONTRIBUTION OF MOLECULAR OXYGEN TO THE OXYGEN ISOTOPE COMPOSITION OF DISSOLVED SULFATE DERIVED FROM THE OXIDATION OF IRON SULFIDES

SEAL II, R., U.S. Geological Survey, 954 National Center, Reston, VA 20192 and RIMSTIDT, J. Donald, Geosciences, Virginia Tech, Blacksburg, VA 24061-0420, rseal@usgs.gov, rseal@usgs.gov

10

10:30 AM

SEPARATION OF COPPER, IRON, AND ZINC FROM COMPLEX AQUEOUS SOLUTIONS FOR ISOTOPIC MEASUREMENT: METAL SOURCES AND PROCESSES OF ACID-ROCK DRAINAGE

WANTY, Richard B.¹, RIDLEY, W. Ian², WOLF, Ruth¹, LAMOTHE, Paul¹ and ADAMS, Monique³, (1)U.S. Geological Survey, PO Box 25046, Denver Federal Center, Mailstop 973, Denver, CO 80225, (2)U.S. Geol Survey, Mail Stop 973, Denver, CO 80225, (3)U.S. Geol Survey, MS964 Denver Federal Center, Denver, CO 80225, rwanty@usgs.gov, rwanty@usgs.gov

11

10:45 AM

CONTROLS ON SPATIAL DISTRIBUTION OF OXIDATION PRODUCTS IN NATURAL PYRITE

STEFAN, Daniela, Earth and Environmental Science, Vanderbilt University, 5717 Stevenson Center Drive, Nashville, TN 37235, SAVAGE, Kaye S., Earth and Environmental Science, Vanderbilt Univ, VU Station B # 351805, 2301 Vanderbilt Place, Nashville, TN 37235-1805 and LEHNER, Stephen W., Earth and Environmental Science, Vanderbilt Univ, 5717 Stevenson Center Drive, Nashville, TN 37235, daniela.stefan@vanderbilt.edu, daniela.stefan@vanderbilt.edu

12

11:00 AM

ABIOTIC OXIDATION RATE STUDIES OF SYNTHETIC PYRITE DOPED WITH AS, CO, AND NI: WHAT ARE THE EFFECTS OF MINOR ELEMENTS ON PYRITE OXIDATION?

LEHNER, Stephen W. and SAVAGE, Kaye, Earth and Environmental Science, Vanderbilt Univ, 5717 Stevenson Center Drive, Nashville, TN 37235, stephen.w.lehner@vanderbilt.edu, stephen.w.lehner@vanderbilt.edu

13

11:15 AM

PYRITE OXIDATION USING MILLIMOLAR H2O2 AS AN ANALOG FOR RADIATION-INDUCED CHEMICAL REACTIONS IN GROUNDWATER

LEFTICARIU, Liliana, PRATT, Lisa M. and RIPLEY, Edward M., Geological Sciences, Indiana University, 1001 E 10th Street, Bloomington, IN 47405, lleftica@indiana.edu, lleftica@indiana.edu

2005 Salt Lake City Annual Meeting (October 16–19, 2005)

T120. Experimental, Theoretical, Stable Isotope, and Predictive Studies of Sulfide Oxidation Processes in the Field and Laboratory