Montana · Mineral County
Occurrence

Bald Mountain Prospect

Mineral County, Montana, United States
Copper
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
Commodity typeM
Deposit
Deposit sizeN
WorkingsUnderground
Orebody formSPARSE
Materials
Ore mineralsChalcopyrite
Geology
Host rockQuartzite · Wallace Formation
Associated rockDiorite · Post Igneous Rocks
StructureLarge Scale Nw Trending Sill (Wishards) Which Intersects Adit And Is 350 Ft Thick At Mine Site., Joints Which Generally Follow Bedding Planes
Tectonic settingBelt Basin
Economic & production
Development statusOccurrence
Identification
Deposit ID10010251
MRDS IDD003836
RegionNA
Data scoreB
Coordinates47.37293, -115.58795
References
CALKINS, F. C. AND JONES, E. L. JR., 1914 , ECONOMIC GEOLOGY OF THE REGION AROUND MULLAN, IDAHO AND, SALTESE, MONTANA: US GEOLOGICAL SURVEY BULL. 540 , P. 197 .WALLACE, R. E. AND HOSTERMAN, J. W., 1956 , RECONNAISANCE GEOLOGY OF WESTERN MINERAL COUNTY, MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, P. 607 .