Montana · Beaverhead County
Past Producer

Keokirk-Elm Orlu Group

Beaverhead County, Montana, United States
SilverCopperGold
⌖ Show on mapUSGS source ↗
Description

William Spurr (Forrest Queen Lode)

Commodities
PrimarySilver, Copper
SecondaryGold
Commodity typeM
Deposit
Deposit typeReplacement
Deposit sizeS
Orebody formIRREGULAR, TABULAR
Ore controlIn Fractured Dolomite Below, The Quartzite-Dolomite Contact.
Materials
GanguePyrite, Quartz
Geology
Host rockDolomite · Hasmark;Park Formation
Associated rockQuartz Monzonite · Quartz Monzonite
Economic & production
Development statusPast Producer
Discovery year1872
Identification
Deposit ID10010831
MRDS IDD004822
Alternate namesKeokuk
RegionNA
Data scoreB
Coordinates45.59156, -112.937
References
MBMG MEM 25, P. 74-78.MBMG BULL 85, P. 115-118.1948 COMPILE M.B.M.G. MEM. 2M.B.M.G. BULL. 85.