South Dakota · Lawrence County
Past Producer

Groshong Mine

Lawrence County, South Dakota, United States
SilverLeadVanadium
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver
SecondaryLead
TertiaryVanadium
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
WorkingsUnderground
Orebody formFLATTENED LENTICULAR BODIES CONFORMABLE TO BEDDING
Ore controlOre Zone Is 20 Feet Above The Precambrian Contact; In The First Dolomite Bed Above The Basal Quartzite Of The Deadwood Formation, In A Vertical Fracture
Materials
Ore mineralsGalena, Lead, Silver
Geology
StructureThe Deadwood Formation Dips 10 Deg Ne And Within The Mine Is 5 - 11 Deg From N 15 Deg W To N 80 Deg E
AlterationHighly Oxidized Ore To A Soft, Yellow-Brown
Economic & production
Development statusPast Producer
Identification
Deposit ID10104226
MRDS IDSD02154
Alternate namesSilver Queen Group
RegionNA
Data scoreB
Coordinates44.32135, -103.64418
References
US BUREAU OF MINES, 1954 , BLACK HILLS MINERALS ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES INFORMATION CIRCULAR 7688 .SHAPIRO, LEWIS H., AND GRIES, JOHN P., 1970 , ORE DEPOSITS IN ROCKS OF PALEOZOIC AND TERTIARY AGE OF THE NORTHERN BLACK HILLS, SOUTH DAKOTA, SOUTH DAKOTA SCHOOL OF MINES AND TECHNOLOGY.US BUREAU OF MINES, 1954 , BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART I, BUREAU OF MINES, INFORMATION CIRCULAR 7688