Montana · Mineral County
Occurrence

St. Lawrence Mine

Mineral County, Montana, United States
Copper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
Commodity typeM
Deposit
Deposit sizeN
WorkingsUnderground
Orebody formPOD/LENS
Ore controlFractures
Materials
Ore mineralsChalcopyrite
GangueDolomite, Quartz
Geology
Host rockQuartzite,Clastic Sedimentary Rock · Wallace Formation
StructureLarge Scale Nw Trending Dioritic Sill (Wishards). Deposits In Vicinity Are Typically Chalcopyrite - Dolomite Veins Filling Steeply - Dipping, Eastward-Trending Fractures.
Tectonic settingBelt Basin
Economic & production
Development statusOccurrence
Identification
Deposit ID10094774
MRDS IDDC08394
RegionNA
Data scoreB
Coordinates47.35626, -115.56768
References
WALLACE, R. E. AND HOSTERMAN, J. W., 1956 , RECONNAISSANCE GEOLOGY OF WESTERN MINERAL COUNTY, MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, P. 607 .CONSV. DIV. COMP. DATE, 02-15-1963