Deep Environment of Volcanogenic Epithermal Mineralization: Proposed research drilling at Creede, Colorado

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Abstract

Proposed research drilling in the Creede mining district will constrain relations between epithermal veins and the deeper thermal, fluid flow, and volcanic structural environment. Major targets include a deep inferred heat source in the form of a concealed intrusion and possibly associated stacked porphyry-type mineralization; thermal, chemical, and hydrologic evolution of the fossil hydrothermal system in comparison with active geothermal environments; and temporal, structural, and petrologic relations between the mineralization and the hosting silicic caldera cluster.

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