Session: Metal-Fertile versus Barren Magmatic Systems at the Arc- to Individual Pluton-Scale: Applying an Improved Understanding of Volatile and Trace-Element Behavior and Experimental Constraints to Petrogenetic Studies (2010 GSA Denver Annual Meeting (31 October

T36. Metal-Fertile versus Barren Magmatic Systems at the Arc- to Individual Pluton-Scale: Applying an Improved Understanding of Volatile and Trace-Element Behavior and Experimental Constraints to Petrogenetic Studies

Society of Economic Geologists; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division; Mineralogical Society of America

James D. Webster and Kéiko H. Hattori, Advocates

Paper #

Start Time

8:00 AM

Introductory Remarks

8:05 AM

METALLOGENY OF CONVERGENT MARGIN AND COLLISIONAL MAGMATISM

RICHARDS, Jeremy P., Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Science Building, Edmonton, AB T6G 2E3, Canada, Jeremy.Richards@ualberta.ca, Jeremy.Richards@ualberta.ca

8:25 AM

FLUID EVOLUTION ASSOCIATED WITH EPIZONAL SILICIC PLUTONS

BODNAR, R.J., Department of Geosciences, Virginia Tech, 4044 Derring Hall, Blacksburg, VA 24061, rjb@vt.edu, rjb@vt.edu

8:45 AM

INFLUENCES on IGNEOUS-RELATED METALLOGENIC FERTILITY IN SOUTHWESTERN NORTH AMERICA

BARTON, Mark D., Dept. of Geosciences, University of Arizona, Tucson, AZ 85721, barton@geo.arizona.edu, barton@geo.arizona.edu

9:00 AM

OXIDATION STATE OF PRIMITIVE MAFIC MELT IN WESTERN PHILIPPINES REFLECTS ARC-SCALE OXIDIZATION OF SUB-ARC MANTLE SOURCE

HATTORI, Keiko, Department of Earth Sciences, University of Ottawa, 120 University, FSS Hall, Ottawa, ON K1N 6N5, Canada and SHUKUNO, Hiroshi, JAMSTEC, 2-15 Natsuhima, Yokosuka, Natsushima, 237-0061, Japan, khattori@uottawa.ca, khattori@uottawa.ca

9:15 AM

GLOBAL MINERAL RESOURCE ASSESSMENT: CHALLENGES AND OPPORTUNITIES FOR DEVELOPING AND REFINING ASSESSMENT METHODS

HAMMARSTROM, Jane M., U.S. Geological Survey, 954 National Center, Reston, VA 20192, ZIENTEK, Michael L., U.S. Geological Survey, Spokane, WA 99201, ORRIS, Greta J., U.S. Geological Survey, 520 N. Park Ave., Ste. 355, Tucson, AZ 85719 and TAYLOR, Cliff D., U.S. Geological Survey, Box 25046 Federal Center, MS-973, Denver, CO 80225, jhammars@usgs.gov, jhammars@usgs.gov

9:30 AM

THE UNREALIZED BEHAVIOR OF MAGMATIC WATER IN A TEMPERATURE GRADIENT: IMPLICATIONS FOR THE MAGMATIC-HYDROTHERMAL TRANSITION IN ARC MAGMATIC SYSTEMS

LUNDSTROM, Craig C., Dept of Geology, Univ of Illinois, 1301 W Green St, Urbana, IL 61801, BINDEMAN, Ilya N., Geological Sciences, University of Oregon, Eugene, OR 97403 and BOPP IV, Charles John, Geology, UIUC, 1301 W.Green St., 245NHB, Urbana, IL 61801, lundstro@uiuc.edu, lundstro@uiuc.edu

9:45 AM

Break

10:00 AM

SUCCESSIVE MAGMATIC PROCESSES LEADING TO TIN AND HIGH STRENGTH FIELD ELEMENTS MINERALIZATIONS

VIGNERESSE Sr, Jean Louis, G2R, Nancy Universite, bp 23, cregu, Vandoeuvre, 54501, France and LINNEN, Robert l., Department of Earth Sciences, University of Western Ontario, London, ON N6A 5B7, Canada, jean-louis.vigneresse@g2r.uhp-nancy.fr, jean-louis.vigneresse@g2r.uhp-nancy.fr

10:15 AM

DIVERSITY OF INTENSE ACID (ADVANCED ARGILLIC) ALTERATION

KREINER, Douglas C. and BARTON, Mark D., Dept. of Geosciences, University of Arizona, Tucson, AZ 85721, dkreiner@email.arizona.edu, dkreiner@email.arizona.edu

10:30 AM

TIMING IS EVERYTHING – HOW O-H-S-CL-C-BEARING MAGMATIC FLUIDS EVOLVE INTO MINERALIZING FLUIDS IN ORE-BEARING PORPHYRITIC STOCKS

WEBSTER, James D., American Museum of Natural History, Department of Earth and Planetary Sciences, Central Park West at 79th St., New York, NY 10024 and PICCOLI, Philip, Department of Geology, University of Maryland, College Park, College Park, MD 20742, jdw@amnh.org, jdw@amnh.org

10:45 AM

A REDOX REGIME FOR INTRUSION-RELATED GOLD SYSTEMS

HART, Craig J.R., Mineral Deposit Research Unit, Department of Earth & Ocean Sciences, University of British Columbia, 6339 Stores Road, Vancouver, BC V6T 1Z4, Canada, chart@eos.ubc.ca, chart@eos.ubc.ca

11:15 AM

FORMATION OF ADVANCED ARGILLIC LITHOCAPS OVER PORPHYRY SYSTEMS, AND IMPLICATIONS FOR EXPLORATION

HEDENQUIST, Jeffrey W., 99 Fifth Avenue, Suite 260, Ottawa, ON K1S 5P5, Canada, hedenquist@aol.com, hedenquist@aol.com

11:45 AM

Discussion

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