Geologic controls on alteration and mineralization at the Wharf mine, South Dakota
The Wharf mine is located within the Bald Mountain district in the Lead-Deadwood Dome in the northern part of the Black Hills, South Dakota. Wharf comprises several contiguous gold and silver deposits, characterized by structurally controlled and disseminated ore in sedimentary and intrusive rocks. Despite 33 years of mining at Wharf and over a hundred years of mining in the district, the relationship between magmatism and mineralization has remained unclear. New exposures and data allowed detailed characterization of the host rocks, alteration and mineralization in the Deep Portland, Trojan and ...
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