Gold Medal Group
Hill City, South Dakota
The Gold Medal Group is near Hill City, South Dakota. Historically the site has been associated with the Hill City Mining District which is now part of the Black Hills National Forest. The Gold Medal Group was closed at the time of data entry with no known plans to re-open. Production size when active was considered to be small. Mine operations consist of underground workings. There is one known shaft. Subsurface depth reaches a maximum of 91 meters (300 feet). The ore mined is composed of gold and silver with waste material consisting primarily of quartz, wolframite and biotite. The host rock in this area is schist from the Neoproterozoic era 1.00 to 0.54 billion years ago. The Black Hills of the Interior Plains characterize the geomorphology of the surrounding area.
Additional textual information about a site or mine.
Formal or informal mining district names.
5 PATENTED CLAIMS TOTALING 50 ACRES.; 20-TON STEAM OPERATED MILL.
Workings at the site.
AN INCLINED WINCE FOLLOWED THE ORE BODY TO THE 500-FOOT LEVEL. CROSSCUTS FAILED TO ENCOUNTER THE VEIN.
Characteristics of the ore body.
Physiographic area where the resource is found.
Controls on emplacement of ore such as faults or other structural features.
Other deposits in the same region.
Gold Medal Mine
Vida May Tungsten Occurrence
Vida May Tungsten Prospect
* Mine bounds on map indicate the general area that a mine occupies. For an detailed map, refer to the overseeing BLM field office.
** The mine central point is based on an average of the mine's bounding box(es) and does not necessarily fall on the claim itself.
1 World-class significance is determined by total endowment of the contained commodity. This includes all past production and remaining reserves. Each commodity is considered separately and commodities cannot be combined to arrive at a significant size. The tonnage thresholds are from the mine model grade-tonnage studies. As of June 2008, many entries were classified as significant under less strict rules.
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