Commodities
PrimaryLead, Zinc, Silver
SecondaryCopper, Gold
TertiaryBismuth
Commodity typeM
Deposit
Deposit typePolymetalic Replacement
Model72: Polymetallic replacement
Deposit sizeY
Orebody formIRREGULARLY TABULAR AND ALSO PIPE-LIKE
Ore controlPilgrim Dolomite-Red Lion Formation Contact And Bedding Planes 40, 80, 160, And 360 Ft. Beneath This Contact.
Materials
Ore mineralsBournonite, Galena, Silver, Sphalerite, Tetradymite, Tetrahedrite
GangueQuartz
Geology
Host rockDolomite · Pilgrim Dolomite-Dolomite;Red Lion Formation-Siliceous Cherty Argillite
StructureOre Is Localized In Anticlinal Arches Along Pilgrim Dolomite-Red Lion Contact
AlterationSome Bleaching Of Slate Near Ore Bodies
Economic & production
Development statusPast Producer
First production1875
Discovery year1875
Identification
Deposit ID10042800
MRDS IDM060835
Alternate namesHolter
RegionNA
Data scoreB
Coordinates46.2724, -111.94254
References
KLEPPER, M.R., WEEKS, R.A., RUPPEL, E.T., 1957, GEOLOGY OF THE SOUTHERN ELKHORN MOUNTAINS, JEFFERSON AND BROADWATER COUNTIES, MONTANA: USGS PROF. PAPER, P. 67-68WEED, W.H., 1901, GEOLOGY AND ORE DEPOSITS OF THE ELKHORN MINING DISTRICT, JEFFERSON COUNTY, MONTANA: USGS 22ND ANN. RPT. PT. 2 P. 399-5501896 GEOLMAP WEED, W.H., 22ND ANN. RPT.1949 GEOLMAP KLEPPER, WEEKS, AND RUPPEL, PROF. PAPER 292FOSTER, FESS, AND CHILDS, J.F., 1993, AN OVERVIEW OF SIGNIFICANT LODE GOLD SYSTEMS IN MONTANA, AND THEIR REGIONAL GEOLOGIC SETTING: EXPLORATION AND MINING GEOLOGY, V. 2, P. 217-244.KOSCHMANN, A.H., AND BERGENDAHL, M.H., 1968, PRINCIPAL GOLD-PRODUCING DISTRICTS OF THE UNITED STATES: U.S. GEOLOGICAL SURVEY PROFESSIONAL PAPER 610, P. 153.WEED, W.H., 1901, P. 415; KLEPPER ETAL, 1957, P. 67 AND OME FILES.