2008 Joint Meeting of The Geological Society of America, Soil Science Society of America, American Society of Agronomy, Crop Science Society of America, Gulf Coast Association of Geological Societies with the Gulf Coast Section of SEPM

SMITH, David B., U.S. Geological Survey, Denver Federal Center, MS 973, Denver, CO 80225, RENCZ, Andy, Mineral Resources Division, Geol Survey of Canada, 601 Booth St, Ottawa, ON K1A 0E8, Canada and SALINAS, Juan Carlos, Servicio Geologico Mexicano, Blvd. Felipe Angeles km 93.5, Pachuca, Hidalgo, 42080, Mexico, dsmith@usgs.gov, dsmith@usgs.gov

WOODRUFF, Laurel G., U.S. Geological Survey, 2280 Woodale Drive, St. Paul, MN 55112, CANNON, William F., U.S. Geological Survey, MS 954, Reston, VA 20192, EBERL, Dennis D., U.S. Geological Survey, 3215 Marine Street, Boulder, CO 80303, SMITH, David B., U.S. Geological Survey, MS 973, Denver, CO 80225, GARRETT, Robert G., Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8 and KLASSEN, Rodney, Natural Resources Canada, 601 Booth Street, Ottawa, ON K1A 0E8, woodruff@usgs.gov, woodruff@usgs.gov

GOODWIN, T.A.¹, PARKHILL, M.A.², PRONK, A.G.³, DESROSIERS, M.² and BOLDON, R.³, (1)Nova Scotia Department of Natural Resources, 1701 Hollis Street, Founders Square, 3rd Floor, Halifax, NS B3J 3M8, Canada, (2)New Brunswick Department of Natural Resources, P. O. Box 50, Bathhurst, NB E2A 3Z1, Canada, (3)New Brunswick Department of Natural Resources, P.O. Box 6000, Fredericton, NB E3B 5H1, Canada, goodwita@gov.ns.ca, goodwita@gov.ns.ca

CHIPRÉS, J.A.¹, MONROY, M.G.¹, JIMÉNEZ, F.², HERNÁNDEZ, M.C.¹, TELLÉZ, J.I.³, CRUZ, O.² and SALINAS, J.C.³, (1)CEASSA, Universidad Autónoma de San Luis Potosí, Sierra Leona 550 Lomas 2ª Sección, San Luis Potosí, 78210, Mexico, (2)Dirección General de Geografía, Instituto Nacional de Estadística Geografía e Informática, Héroe de Nacozari Sur 2301 Fracc. Jardines del Parque, Aguascalientes, 20270, Mexico, (3)Subdirección de Investigación, Servicio Geológico Mexicano, Blvd. Felipe Ángeles km. 93.50 Col. Venta Prieta, Pachuca, 42080, Mexico, jorge.chipres@uaslp.mx, jorge.chipres@uaslp.mx

WANG, Bronwen, U.S. Geological Survey, 4200 University Dr, Anchorage, AK 99508, WOODRUFF, Laurel G., U.S. Geological Survey, 2280 Woodale Drive, St. Paul, MN 55112, CANNON, William F., U.S. Geological Survey, Reston, VA 20192, GOUGH, Larry P., U.S. Geological Survey, National Center, MS 954, Reston, VA 20192 and SMITH, David B., U.S. Geological Survey, Denver Federal Center, MS 973, Denver, CO 80225, bwang@usgs.gov, bwang@usgs.gov

KETTLES, I.M.¹, FRISKE, P.W.B.², HALL, G.E.M.¹, GARRETT, R.G.², SMITH, D.B.³ and WOODRUFF, L.G.⁴, (1)Natural Resources Canada - Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, (2)Natural Resources Canada - Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, (3)U.S. Geological Survey, Denver Federal Center, MS 973, Denver, CO 80225, (4)U.S. Geological Survey, 2280 Woodale Drive, St. Paul, MN 55112, inez.kettles@nrcan.gc.ca, inez.kettles@nrcan.gc.ca

RENCZ, A.N., Natural Resources Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada and MROZ, Rita, Environment Canada, Atlantic Region, 45 Alderney Dr, Dartmouth, NS B2Y 2N6, Canada, Andy.Rencz@nrcan.gc.ca, Andy.Rencz@nrcan.gc.ca

GRUNSKY, E.C., Natural Resources Canada - Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada and GARRETT, R.G., Natural Resources Canada - Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, egrunsky@nrcan.gc.ca, egrunsky@nrcan.gc.ca

THORBJORNSEN, Karen, Shaw Environmental, Inc, 312 Directors Drive, Knoxville, TN 37923 and MYERS, Jonathan, Shaw Environmental, Inc, 2440 Louisiana Blvd. NE, Suite 300, Albuquerque, NM 87110, karen.thorbjornsen@shawgrp.com, karen.thorbjornsen@shawgrp.com

KLASSEN, R.A., Natural Resources Canada - Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada, klassen@nrcan.gc.ca, klassen@nrcan.gc.ca

HERNÁNDEZ, M.C.¹, CHIPRÉS, J.A.¹, CASTRO, G.J.² and MONROY, M.G.³, (1)CEASSA, Universidad Autónoma de San Luis Potosí, Sierra Leona 550 Lomas 2ª Sección, San Luis Potosí, 78210, Mexico, (2)Facultad de Ingeniería, Universidad Autónoma de San Luis Potosí, Sierra Leona 550 Lomas 2ª Sección, San Luis Potosí, 78210, Mexico, (3)CEASSA, Universidad Autónoma de San Luis Potosí, Sierra Leona 550 Lomas 2ª Sección, San Luis Potosí, 78210, cristina.hernandez@sip.uaslp.mx, cristina.hernandez@sip.uaslp.mx

TUTTLE, Michele L.W.¹, BREIT, George N.¹, FAHY, Juli², GOLDHABER, Martin B.³ and GRAUCH, Richard I.⁴, (1)U.S. Geological Survey, MS 964, Box 25046, Denver Federal Center, Denver, CO 80225, (2)U.S. Bureau of Reclamation, MS D-8240, Bldg. 56, Denver Federal Center, Denver, CO 80225-0007, (3)U.S. Geological Survey, MS 964, Box 25046, Denver Federal Center, Denver, CO 80025, (4)U.S. Geological Survey, MS 973, Box 25046, Denver Federal Center, Denver, CO 80225, mtuttle@usgs.gov, mtuttle@usgs.gov

GOLDHABER, Martin B., U.S. Geological Survey, Denver Federal Center, MS 964D, Denver, CO 80225, MORRISON, Jean M., USGS, Denver Federal Center, MS 964D, Denver, CO 80225, HOLLOWAY, JoAnn M., U.S. Geological Survey, Denver Federal Center, M.S. 964D, Denver, CO 80225, WANTY, Richard B., U.S. Geological Survey, P.O. Box 25046, MS 964, Denver Federal Center, MS 964D, Denver, CO CO 80225 and SMITH, David B., U.S. Geological Survey, MS 973, Denver Federal Center, Denver, CO 80225, mgold@usgs.gov, mgold@usgs.gov

MORRISON, Jean M.¹, GOLDHABER, Martin B.¹, LEE, Lopaka², HOLLOWAY, JoAnn M.¹, WANTY, Richard B.¹ and RANVILLE, James F.³, (1)U.S. Geological Survey, Denver Federal Center, MS 964D, Denver, CO 80225, (2)U.S. Geological Survey, Hawaii Volcano Observatory, MS 964, Hawaii National Park, HI 96718, (3)Department of Chemistry and Geochemistry, Colorado School of Mines, Golden, CO 80401, jmorrison@usgs.gov, jmorrison@usgs.gov

REEVES III, James B., EMBUL/HRSL, ANRI, ARS, USDA, Building 306, Room 101, BARC EAST, Beltsville, MD 20705 and SMITH, David B., U.S. Geological Survey, Denver Federal Center, MS 973, Denver, CO 80225, james.reeves@ars.usda.gov, james.reeves@ars.usda.gov