Session: Economic Geology (Posters) (2006 Philadelphia Annual Meeting (22

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1

NATIVE SILVER IN HYPOGENE BARIAN TODOROKITE FROM SAN MIGUEL TENANGO, ZACATLÁN, PUEBLA, MEXICO

GÓMEZ-CABALLERO, J. Arturo¹, VILLASEÑOR-CABRAL, M. Guadalupe¹ and SANTIAGO-JACINTO, Patricia², (1)Geoquímica, Universidad Nacional Autónoma de México, Instituto de Geología, Ciudad Universitaria, Coyoacan, 04510 D.F., Mexico, Mexico City, 04510, Mexico, (2)Materia Condensada, Universidad Nacional Autónoma de México, Instituto de Física, Ciudad Universitaria, Coyoacan, 04510 D.F., Mexico, Mexico City, 04510, Mexico, mgvc@servidor.unam.mx, mgvc@servidor.unam.mx

2

THE BILIMOIA AU-BI-W-TE DEPOSIT, KAINANTU, PAPUA NEW GUINEA: GEOLOGY, MINERALOGY, AND CONDITIONS OF FORMATION

ESPI, Joseph O.¹, SPRY, Paul G.², HAYASHI, Ken-ichiro¹, KOMURO, Kosei¹ and MURAKAMI, Hiroyasu³, (1)Graduate School of Life and Environmental Sciences, University of Tsukuba, Tennoudai 1-1-1, Tsukuba, 305-8572, Japan, (2)Geological and Atmospheric Sciences, Iowa State University, 253 Science I, Ames, IA 50011-3212, (3)Geological Survey of Japan, AIST, Central 7, Higashi 1-1-1, Tsukuba, 8767, Japan, pgspry@iastate.edu, pgspry@iastate.edu

3

EAST-WEST CONTRAST IN THE METALLOGENY OF GRANITOID AFFINITY AROUND THE PACIFIC: A PERSPECTIVE FROM THE CIRCUM-JAPAN SEA REGION

SATO, Kohei, Geological Survey of Japan, AIST, Higashi 1-1-1 Cenral 7, Tsukuba, 305-8567, Japan, sato.gsj@aist.go.jp, sato.gsj@aist.go.jp

4

GEOCHRONOLOGY OF THE DOS AMIGOS AND TRICOLOR PORPHYRY COPPER SYSTEMS OF THE DOMEYKO ALTERATION ZONE, NORTHERN CHILE

MAKSAEV, Victor¹, MUNIZAGA, Francisco², ALMONACID, Antonio¹, VALENCIA, Victor³, BARRA, Fernando⁴ and MCWILLIAMS, Michael⁵, (1)Departamento de Geología, Universidad de Chile, Casilla 13518, Correo 21, Santiago, Santiago, Chile, (2)Departamento de Geología, Universidad de Chile, casilla 13518, Correo 21, Santiago, 6784537, Chile, (3)Department of Geosciences, Univ of Arizona, 1040 E Fourth Street, Tucson, AZ 85721, (4)Department of Geosciences, Univ of Arizona, Tucson, AZ 85721, (5)Geological and Environmental Sciences, Stanford University, Stanford, California, Stanford, CA CA 94305-211, fmunizag@cec.uchile.cl, fmunizag@cec.uchile.cl

5

GEOCHRONOLOGY OF CRETACEOUS PORPHYRY COPPER DEPOSITS OF THE COASTAL CORDILLERA OF NORTHERN CHILE (LATITUDES 26°30' TO 30°30' S)

MAKSAEV, Victor, Departamento de Geología, Universidad de Chile, Casilla 13518, Correo 21, Santiago, Santiago, Chile, MUNIZAGA, Francisco, Departamento de Geología, Universidad de Chile, casilla 13518, Correo 21, Santiago, 6784537, Chile, VALENCIA, Victor A., Geosciences, Univ of Arizona, 1040 E Fourth Street, Tucson, AZ 85721-0077, BARRA, Fernando, Department of Geosciences, Univ of Arizona, Tucson, AZ 85721, MCWILLIAMS, Michael O., Geological and Environmental Sciences, Stanford University, Department of GES, Building 320, mc#2115, Stanford, CA 94305 and MATHUR, Ryan, Department of Geology, Juniata College, 1700 Moore Street, Huntingdon, PA 16652, vmaksaev@cec.uchile.cl, vmaksaev@cec.uchile.cl

6

TIME ASSOCIATED MAGMATISM AND MINERALIZATION AT THE CENTRAL PART OF MEXICO

VASSALLO, Luis F., CENTRO DE GEOCIENCIAS, UNIVERSIDAD NACIONAL A. DE MEXICO, KM. 15, CARR. QRO-SLP, CAMPUS JURIQUILLA UNAM, Queretaro, 76230, Mexico, vassallo@servidor.unam.mx, vassallo@servidor.unam.mx

7

MAGMATIC-HYDROTHERMAL TRANSITION RECORDED BY MAFIC MINERALS IN LARAMIDE GRANODIORITE AND RELATED MINERAL DEPOSITS, PATAGONIA MOUNTAINS, AZ

GRAYBEAL, Fredrick T., Maximus Ventures Ltd, 37 Wynwood Road, Chatham, NJ 07928 and VIKRE, Peter G., U.S. Geol Survey, Mail Stop 176, University of Nevada, Reno, Reno, NV 89557, FTGraybeal@aol.com, FTGraybeal@aol.com

8

FLUID INCLUSION EVIDENCE FOR MAGMATIC BRINE BELOW THE SUMMITVILLE HIGH-SULFIDATION CU-AU DEPOSIT, CO AND ITS POTENTIAL RELATION TO THE BRITTLE-DUCTILE TRANSITION AND MINERALIZATION

FIFAREK, Richard H.¹, RUSK, Brian G.² and RYE, Robert O.², (1)Geology, Southern Illinois University, Carbondale, IL 62901-4324, (2)P.O. Box 25046 MS 963, US Geological Survey, Denver, CO 80225, fifarek@geo.siu.edu, fifarek@geo.siu.edu

9

PB-SR-ND ISOTOPE CONSTRAINTS ON METAL SOURCES OF ZN-PB-AG DEPOSITS, BROOKS RANGE, ALASKA

AYUSO, R.A., U.S. Geol Survey, Reston, VA 20192, KELLEY, Karen D., USGS MS973, Box 25046, Denver, CO 80225, DUMOULIN, Julie A., N/a, U.S. Geol Survey, 4210 University Dr, Anchorage, AK 99508 and TILL, Alison B., USGS, Anchorage, AK 99508, rayuso@usgs.gov, rayuso@usgs.gov

10

LEAD ISOTOPE ANALYSIS OF NON-SULFIDE ZINC AND SULFIDE ZINC-LEAD DEPOSITS IN THE FLINDERS RANGES, SOUTH AUSTRALIA

HARKINS, Sara A., Department of Geological Sciences, University of Missouri—Columbia, 101 Geological Sciences Bldg, Columbia, MO 65211, APPOLD, Martin S., Department of Geological Sciences, University of Missouri--Columbia, 101 Geological Sciences Bldg, Columbia, MO 65211, NELSON, Bruce K., Department of Earth and Space Sciences, University of Washington, Seattle, WA 98195, BREWER, Adrian M., P.O. Box 207, Kersbrook, SA, 5231, Australia and GROVES, Iain M., Perilya Limited, P.O. Box 1787, West Perth,WA, 6872, Australia, sahd26@mizzou.edu, sahd26@mizzou.edu

11

GEOLOGICAL SETTING OF THE ROOMY MAGNETITE MINE, NEW JERSEY HIGHLANDS

MATT, Peter, POWELL, Wayne and MORLEY, Erin, Geology, Brooklyn College, 2900 Bedford Avenue, Brooklyn, NY 11210, peter@mattbrothers.com, peter@mattbrothers.com

12

ZIRCON-RICH REE MINERALIZATION AND ITS RELATION TO ALKALINE MAGMATISM IN CHUNGJU AREA, SOUTH KOREA

PARK, Maeng-Eon and SUNG, Kyu-Youl, Department of Environmental Geosciences, Pukyong National University, Pukyong National University, 599-1, Daeyeon-3dong, Nam-gu, Busan, 608737, South Korea, mepark@pknu.ac.kr, mepark@pknu.ac.kr

13

COMPOSITIONAL VARIATIONS OF OLIVINE IN THE EASTERN DEEPS SUB-CHAMBER OF THE VOISEY'S BAY NI-CU-CO DEPOSIT IN LABRADOR, CANADA

WILLIAMS, Curtis D., Geology, Indiana University, 1001 East Tenth Street, Bloomington, IN 47405 and LI, Chusi, Department of Geological Sciences, Indiana Univ, 1001 E. 10th St, Bloomington, IN 47405, cuwillia@indiana.edu, cuwillia@indiana.edu

2006 Philadelphia Annual Meeting (22–25 October 2006)

Economic Geology (Posters)