Geological Society of America

8:00 AM

THE MECHANICAL AND FLUID PRESSURE EVOLUTION OF THE ARGO FAULT ZONE, KAMBALDA, WESTERN AUSTRALIA: AN EXAMPLE OF AN ARCHEAN, SHEAR-HOSTED, MESOTHERMAL GOLD SYSTEM

Matthew A. Crawford, The Australian National University, Canberra, N/A and Stephen F. Cox, The Australian National University, Canberra, N/A

126910 (Technical Sessions)

8:15 AM

HYDROTHERMAL METAMORPHISM AND TRANSIENT DEPTH FLUCTUATIONS OF THE BRITTLE-DUCTILE TRANSITION DURING SHEAR-ZONE HOSTED IOCG MINERALIZATION

Eric P. Nelson, Colorado School of Mines, Golden, CO and Murray W. Hitzman, Colorado School of Mines, Golden, CO and Lena V.S. Monteiro, Universidade Estadual de Campinas, Campinas, N/A

126393 (Technical Sessions)

8:30 AM

STRUCTURAL EVOLUTION OF GOLD-BEARING COBALT-COPPER DEPOSITS OF THE BLACKBIRD MINING DISTRICT, EAST-CENTRAL IDAHO

Karen Lund, US Geological Survey Central Mineral Resources, Denver, CO and K.V. Evans, U.S. Geological Survey, Denver, CO and M.J. Kunk, Reston, VA

131705 (Technical Sessions)

8:45 AM

STRUCTURES AS PATHS OF LEAST RESISTANCE FOR HYDROTHERMAL FLUID FLOW: INTERPRETATIONS OF SOME LARGE, GEOMETRICALLY COMPLEX ORE SYSTEMS

John Ridley, Colorado State University, Fort Collins, CO

129081 (Technical Sessions)

9:00 AM

DO INHERITED BASEMENT DEFORMATION ZONES CONTROL THE LOCATION OF ONE OF COLORADO'S MOST PRODUCTIVE REGIONS OF EPITHERMAL, POLYMETALLIC VEINS?

Jonathan Saul Caine, U.S. Geological Survey, Denver, CO

132360 (Technical Sessions)

9:15 AM

STRUCTURAL ELEMENTS WITHIN CRETACEOUS AND TERTIARY PLUTONS IN THE FRONT RANGE PORTION OF THE COLORADO MINERAL BELT

W.A. Rehrig, Lakewood, CO and T.L. Klein, US Geological Survey, Lakewood, CO and E.H. DeWitt, US Geological Survey, Lakewood, CO

131690 (Technical Sessions)

9:30 AM

STRUCTURAL CONTROL OF EPITHERMAL MINERALIZATION: EVIDENCE FROM THE SOVEREIGN-JUBILEE DEPOSIT, HAURAKI GOLDFIELD, NEW ZEALAND

Kathryn R. Grodzicki, University of Auckland, Auckland, N/A and K. Bernhard Spörli, University of Auckland, Auckland, N/A and Jeffrey Mauk, Denver, CO and Julie V. Rowland, University of Auckland, Auckland, N/A

126843 (Technical Sessions)

9:45 AM

VOLCANIC AND TECTONIC EVOLUTION OF THE COROMANDEL VOLCANIC ZONE, AND ITS INFLUENCE ON THE STYLE OF EPITHERMAL MINERALISATION IN THE HAURAKI GOLDFIELD, NEW ZEALAND

Jeffrey Mauk, Denver, CO and Chris Micheal Hall, University of Michigan, Ann Arbor, MI

129607 (Technical Sessions)

10:15 AM

MAGMATIC VAPOR PLUMES, MIGRATED EXTENSION, AND THE FORMATION OF EPITHERMAL HIGH-SULFIDATION GOLD-COPPER DEPOSITS

Richard W. Henley, Australian National University, Canberra, N/A and Byron R. Berger, U.S. Geological Survey, Denver, CO

129365 (Technical Sessions)

10:30 AM

FACTORS AFFECTING THE PRECIPITATION OF QUARTZ UNDER HYDROTHERMAL CONDITIONS

Christopher Pepple, Bowling Green St. Univ, Bowling Green, OH and John R. Farver, Bowling Green State University, Bowling Green, OH and Charles Onasch, Bowling Green St. Univ, Bowling Green, OH

131385 (Technical Sessions)

10:45 AM

EVOLUTION OF FLUID CHEMISTRY DURING SYNTECTONIC VEIN FORMATION

Shaun L.L. Barker, The Australian National University, Canberra, N/A and Stephen F. Cox, The Australian National University, Canberra, N/A and Michael K. Gagan, The Australian National University, Canberra, N/A and Stephen M. Eggins, The Australian National University, Canberra

129612 (Technical Sessions)

11:00 AM

BRINE MIGRATION AND FORMATION OF HYDROTHERMAL ZEBRA DOLOMITE, SEDEX, AND PB-ZN DEPOSITS ALONG THE PALEOZOIC CARBONATE PLATFORM OF THE GREAT BASIN, NEVADA AND UTAH

S.F. Diehl, U.S. Geol Survey, Denver, CO and A.H. Hofstra, U.S.G.S., Denver, CO and A.E. Koenig, U.S. Geological Survey, Denver, CO and W. Christiansen, U.S. Geological Survey, Denver, CO and C.A. Johnson, U.S. Geological Survey, Denver, CO and P. Emsbo, USGS-DIAL, Denver, CO and J. Lufkin, Golden, N/A

129539 (Technical Sessions)

11:15 AM

MECHANICAL MODELING OF FAULTS WITH WING CRACKS: EFFECTS ON FLUID FLOW AND LOCAL PERMEABILITY

Ovunc Mutlu, Stanford University, Stanford, CA and David Pollard, Stanford University, Stanford, CA

130016 (Technical Sessions)

11:30 AM

FAULT CONTROLLED FLUID CIRCULATION IN ACTIVE HOT SPRING AND EOCENE CARLIN-TYPE SYSTEMS IN THE GREAT BASIN

Amlan Banerjee, Indiana University, Bloomington, IN and Mark Person, Indiana University, Bloomington, IN and A.H Hofstra, USGS, Denver, CO and Donald S. Sweetkind, U.S Geological Survey, Denver, CO

130228 (Technical Sessions)

11:45 AM

REACTIVE FLOW MODELING OF FLUID MIXING & ORE GENESIS AT RED DOG, ALASKA

Grant Garven, Tufts University, Medford, MA and Christian Schardt, Johns Hopkins University, Baltimore, MD and Karen D. Kelley, Denver, CO and David L. Leach, USGS, Denver, CO

127284 (Technical Sessions)

T200 Geologic Structures, Fluid Flow, and Ore Deposits

Presentations