Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit typePlacer Au-PGE
Model119: Placer Au-PGE
Deposit sizeY
WorkingsSurface
Ore controlSource Believed To Be Quartz Lodes On Miller Mountain
Geology
Host rockGravel
Associated rockQuartz Monzonite,Diorite · Sills, Dikes, Stocks Of Quartz Diorite And Quartz Monzonite
StructureEl Dorado - Lombard Overthrust, Boulder Batholith, Broad Northwest-Trending Anticline
Tectonic settingCordilleran Miogeosyncline - Foreland
Economic & production
Development statusPast Producer
First production1864
Identification
Deposit ID10071355
MRDS IDW014693
Alternate namesMontana Gulch, Black Tail Creek
RegionNA
Data scoreB
Coordinates46.59908, -111.41697
References
KOSCHMANN, A. H., AND BERGENDAHL, M. H., 1968, PRINCIPAL GOLD-PRODUCING DISTRICTS OF THE UNITED STATES: U.S. GEOL. SURV. PROF. PAPER 610, 283 P.PARDEE, J. T., AND SCHRADER, F. C., 1933, METALLIFEROUS DEPOSITS OF THE GREATER HELENA MINING REGION, MONTANA: U.S. GEOLOGICAL SURVEY BULL. 842, 318 P.LYDEN, C.J., 1948, THE GOLD PLACERS OF MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY MEMOIR 26, P. 14-17.KROHN, D.H., AND WEIST, M.M., 1975, PRINCIPAL INFORMATION ON MONTANA MINES: MONTANA BUREAU OF MINES AND GEOLOGY SPECIAL PUBLICATION 75, P.23.