Mine detail: Dexter Claim

Previously called 'Ashley & Nyswanger'

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Location

Lat / long:

44.06496, -103.47139

Resource(M)

Primary:	Copper, Gold, Silver, Lead
Ore:	Copper, Galena, Gold, Silver
Gangue:	Quartz
Orebody form:	QUARTZ STRINGERS

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Schist
Host type:	Schist
Structure:	Schist Strikes N. 67 E. And Dips 60 - 65 S.E.
Alteration processes:	Iron Oxide Staining, Copper Stains.

References

MRDS	SD02214
DEP	10055615
Reference	U.S. BUREAU OF MINES, 1954, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 768
Reporter	Barari, Rachel A.