Crain Gold Mine
Hill City, South Dakota
The Crain Gold Mine is near Hill City, South Dakota. Historically the site has been associated with the Redfern Mining District which is now part of the Black Hills National Forest. The Crain Gold Mine was closed at the time of data entry with no known plans to re-open. Production size when active was considered to be small. The ore mined is composed of silver and gold with waste material consisting primarily of quartz. The ore body extends 0.15 meters (0.49 feet) thick. The mineralization at this location is 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.
SEVERAL SHALLOW SHAFTS, TEST PITS, AND TRENCHES. FREE GOLD HAS BEEN OBTAINED BY CRUSHING AND PANNING ORE FROM SHALLOW PITS.
Characteristics of the ore body.
Tectonic setting in which the site or deposit is situated.
Physiographic area where the resource is found.
Other deposits in the same region.
Crain Gold Occurrence
Woodchuck Gold Prospect
Burlington Gold Mine
Ok Lode Gold And Silver Mine
Union Hill Gold Mine
Buckey-Lena-Gopher Gold Mine
Gold Hill Group
* 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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A SERIES OF THIN QUARTZ VEINS