Mine detail: Coats Dike

Previously called 'Cowboy Group'

<< Back to the map

Location

Lat / long:

43.92552, -103.59835

Resource(M)

Primary:	Tin
Tertiary:	Tungsten
Ore:	Cassiterite, Wolframite
Gangue:	Graphite, Mica, Quartz
Orebody form:	DIKE
Discovery year:	1884

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Last production ended:	1894

Geology

Associated type:	Pegmatite
Tectonic:	Southern Black Hills

References

MRDS	D007192
DEP	10011975
Reference	{Deposit:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707}{Production:: U.S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707.}
Reporter	Barari, Rachel A.