South Dakota · Custer County
Past Producer

Newark Group

Custer County, South Dakota, United States
GoldSilver
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold, Silver
Commodity typeM
Deposit
Deposit typeVein
Deposit sizeS
WorkingsSurface/Underground
Materials
Ore mineralsGold, Silver
GangueCummingtonite, Quartz
Geology
Host rockSchist · Schist
Economic & production
Development statusPast Producer
Identification
Deposit ID10055654
MRDS IDSD02261
RegionNA
Data scoreB
Coordinates43.7369, -103.70168
References
U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2, BUREAU OF MINES INFORMATION CIRCULAR 7707ROBERTS, W.L., AND RAPP, GEORGE, 1965, THE MINERALOGY OF THE BLACK HILLS, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY BULLETIN 18