Geological Society of America

8:00 AM

A KINEMATIC INVESTIGATION IN THE CRIPPLE CREEK DISTRICT, CENTRAL COLORADO: STRUCTURAL CONTROLS INFLUENCING THE LOCATION AND DISTRIBUTION OF HIGH GRADE GOLD ORE ZONES

Alison Suzanne Mote, The Univ of Texas at Austin, Austin, TX and Marc D. Melker, AngloGold (Colorado) Corp, Victor, CO and Tim F. Wawrzyniec, Univ of New Mexico, Albuquerque, NM and J. Richard Kyle, The Univ of Texas at Austin, Austin, TX

78476 (Technical Sessions)

8:15 AM

VOLATILE RELEASE FROM GRANITES CRYSTALLISED AT DEPTH IN THE CRUST: EVIDENCE FOR LINKS WITH GOLD-ONLY HYDROTHERMAL ORES

John Ridley, Colorado State Univ, Fort Collins, CO

76140 (Technical Sessions)

8:30 AM

THE AGE OF GOLD MINERALIZATION AT THE MURUNTAU AU DEPOSIT, UZBEKISTAN, FROM RE-OS ARSENOPYRITE GEOCHRONOLOGY

Ryan M. Morelli, Univ of Alberta, Edmonton, AB and Robert A. Creaser, University of Alberta, Edmonton, AB and Reimar Seltmann, Natural History Museum, London

77650 (Technical Sessions)

8:45 AM

ZINC ISOTOPE VARIATION IN HYDROTHERMAL ORE DEPOSITS

Jamie J. Wilkinson, Imperial College London, London, N/A and Dominik J. Weiss, Imperial College London, London, N/A and Thomas F.D. Mason, Imperial College London, London, N/A and Barry J. Coles, Imperial College London, London, N/A and Helen L. Crowther, Imperial College London, London, N/A

77209 (Technical Sessions)

9:15 AM

DISCRIMINATION OF METAMORPHIC AND METASOMATIC PROCESSES AT THE BROKEN HILL LEAD-ZINC-SILVER DEPOSIT, AUSTRALIA: RARE EARTH ELEMENT SIGNATURES OF GARNET IN GARNET-RICH ROCKS

Paul G. Spry, Iowa State Univ, Ames, IA and Adriana Heimann, Iowa State Univ, Ames, IA and Joshua D. Messerly, Iowa State Univ, Ames, IA and Robert S. Houk, Iowa State Univ, Ames, IA and Graham S. Teale, Teale and Associates, N/A

77243 (Technical Sessions)

9:30 AM

MESOPROTEROZOIC POLYCRASE-TITANITE VEINS IN THE SULLIVAN PB-ZN-AG DEPOSIT, SOUTHEASTERN BRITISH COLUMBIA: MINERAL CHEMISTRY, SHRIMP GEOCHRONOLOGY, AND METALLOGENIC SIGNIFICANCE

John F. Slack, U.S. Geol Survey, Reston, VA and John N. Aleinikoff, U.S. Geol Survey, Denver, CO and Harvey E. Belkin, U.S. Geol Survey, Reston, VA and Paul Ransom, Cranbrook, BC

75822 (Technical Sessions)

10:00 AM

IRON OXIDE-COPPER-GOLD (IOCG) MINERALIZATION ASSOCIATED WITH CALCIC ALTERATION, EL ESPINO PROSPECT, CENTRAL CHILE

Gloria Lopez, Colorado School of Mines, Golden, CO and Glen Van Treek, Minera Teck Cominco Chile Ltda, Santiago, N/A and Vinicio Travisany, Minera Teck Cominco Chile Ltda, Santiago, N/A and Mike Richard, Minera Teck Cominco Chile Ltda, Santiago, N/A and Murray W. Hitzman, Colorado School of Mines, Golden, CO and Eric Nelson, Colorado School of Mines, Golden, CO

74248 (Technical Sessions)

10:15 AM

MAGNESITE, TALC, AND PB-ZN MINERALIZATION ASSOCIATED WITH MIDDLE CAMBRIAN BRINE SEEPS ALONG THE KICKING HORSE RIM, SOUTHEASTERN BRITISH COLUMBIA

Wayne G. Powell, Brooklyn College, Brooklyn, NY and Paul A. Johnston, Royal Tyrrell Museum of Palaeontology, Drumheller, AB and Christopher Collom, Calgary, AB

76772 (Technical Sessions)

10:30 AM

FLUID CHARACTERIZATION AT PINE POINT: A MICROTHERMOMETRIC STUDY

Paulina Gromek, Univ of Alberta, Edmonton, AB and Sarah A. Gleeson, Univ of Alberta, Edmonton, N/A

78234 (Technical Sessions)

10:45 AM

NEW INSIGHTS INTO THE ROLE OF THE OLD RED SANDSTONE AS A METALS SOURCE FOR ZN-PB MINERALIZATION IN THE IRISH MIDLANDS

Lucy H Chapman, James Cook Univ, Townsville, N/A and Janet M. Hergt, Univ of Melbourne, Parkville, N/A and Murray W. Hitzman, Colorado School of Mines, Golden, CO

77071 (Technical Sessions)

11:00 AM

SEDIMENTARY IRON DEPOSITS WITHIN THE ST. FRANCOIS MOUNTAINS MAGMATIC-HYDROTHERMAL IRON DISTRICT, SOUTHEAST MISSOURI

Mark A. Dudley, Central Missouri State Univ, Warrensburg, MO and John L. Nold, Central Missouri State Univ, Warrensburg, MO

79500 (Technical Sessions)

11:45 AM

NEW DEVELOPMENTS IN PROCESS MINERALOGY, FROM QUANTIFYING GOLD IN AU-CU DEPOSITS TO HIGH-DENSITY GRAVITY SEPARATIONS

K. Hoal, Hazen Rsch, Inc, Golden, CO and R. Schmidt, Hazen Rsch, Inc, Golden, CO and D. Baughman, N/A

80954 (Technical Sessions)

191 Economic Geology I: Gold, Pb-Zn, and Iron Deposits and Isotopic Tracers

Presentations