Montana · Mineral County
Occurrence

Boston Colby Property

Mineral County, Montana, United States
CopperSilverGold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
SecondarySilver, Gold
Commodity typeM
Deposit
Deposit sizeN
WorkingsUnderground
Materials
Ore mineralsChalcopyrite, Gold, Silver
GangueLimonite, Pyrite, Quartz, Siderite
Geology
Host rockQuartzite · Wallace Formation
StructureA General Structural Grain Trends Nw And Is Made Of A System Of Subparallel Faults And Folds, Two Bedding Plane Faults, One Of Which Contains The Ore Bearing Vein, As Well As A Strike Fault
Tectonic settingBelt Basin
Economic & production
Development statusOccurrence
Identification
Deposit ID10010252
MRDS IDD003838
RegionNA
Data scoreB
Coordinates47.41265, -115.5224
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. 198-199 .WALLACE, R. E., AND HOSTERMAN, J. W., 1956 , RECONNAISANCE GEOLGOY OF WESTERN MINERAL COUNTY, MONTANA: US GEOLOGICAL SURVEY BULL. 1027-M, PL. 48 .GILBERT, F. C., 1935 , DIRECTORY OF MONTANA MINING PROPERTIES: MONTANA BUREAU OF MINES AND GEOLOGY MEM. 15 , P. 60 .