ECONOMIC GEOLOGY
and the
Bulletin of the Society of Economic Geologists
Volume 99 January-February 2004 Number
1
Henderson Porphyry Molybdenum System, Colorado: I. Sequence and Abundance of
Hydrothermal Mineral Assemblages, Flow Paths of Evolving Fluids, and Evolutionary Style
Eric Seedorff and Marco T. Einaudi pp. 3-37
Abstract
Henderson Porphyry Molybdenum System, Colorado: II. Decoupling of Introduction
and Deposition of Metals during Geochemical Evolution of Hydrothermal Fluids
Eric Seedorff and Marco T. Einaudi pp. 39-72
Abstract
Carboniferous Orogenic Gold Deposits at Pataz, Eastern Andean Cordillera, Peru:
Geological and Structural Framework, Paragenesis, Alteration, and 40Ar/39Ar
Geochronology
Yves Haeberlin, Robert Moritz, Lluis Fontboté, and Michael Cosca pp. 73-112
Abstract
Significance of Alteration Assemblages for the Origin and Evolution of the Proterozoic
Nabarlek Unconformity-Related Uranium Deposit, Northern Territory, Australia
Paul A. Polito, T. Kurt Kyser, Jim Marlatt, Paul Alexandre, Zia Bajwah, and Garth Drever
pp. 113-139
Abstract
The Onaman Prospect, Ontario: An Unusual Occurrence of Cu-Bearing Au Mineralization
in a Shear Zone
Olivier Grondin and Anthony E. Williams-Jones pp. 141-156
Abstract
Using the High Mobility of Palladium in Surface Media in Exploration for Platinum Group
Element Deposits: Evidence from the Lac des Iles Region, Northwestern Ontario
Keiko H. Hattori and Eion M. Cameron pp. 157-171
Abstract
Scientific Communications
Replacements of Base Metal Sulfides by Actionolite, Epidote, Calcite,
and Magnetite in the UG2 and Merensky Reef of the Bushveld Complex, South Africa
Chusi Li, Edward M. Ripley, Enrique Merino, and Wolfgang D. Maier
pp. 173-184
Abstract
Limits on the Metal Content of Fluid Inclusions in Gangue Minerals from the Viburnum
Trend, Southeast Missouri, Determined by Laser Ablation ICP-MS
Martin S. Appold, Tye J. Numelin, Thomas J. Shepherd, and Simon R. Chenery
pp. 185-198
Abstract
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