South Dakota · Pennington County
Occurrence
Dexter Claim
Pennington County, South Dakota, United States
Copper
Gold
Silver
Lead
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USGS source ↗
Commodities
Primary
Copper, Gold, Silver, Lead
Commodity type
M
Deposit
Deposit type
Replacement
Deposit size
N
Orebody form
QUARTZ STRINGERS
Ore control
Quartz Stringers
Materials
Ore minerals
Copper, Galena, Gold, Silver
Gangue
Quartz
Geology
Host rock
Schist · Schist
Structure
Schist Strikes N. 67 E. And Dips 60 - 65 S.E.
Alteration
Iron Oxide Staining, Copper Stains.
Economic & production
Development status
Occurrence
Identification
Deposit ID
10055615
MRDS ID
SD02214
Alternate names
Ashley & Nyswanger
Region
NA
Data score
B
Coordinates
44.06496, -103.47139
References
U.S. BUREAU OF MINES, 1954, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688