Commodities
PrimaryGypsum-Anhydrite
Commodity typeN
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formTABULAR
Ore controlChemical Precipitation And Stratigraphic Control
Materials
Ore mineralsGypsum
GangueClay, Epidote, Hematite, Quartz
Geology
Host rockLimestone · Big Snowy Grp., Red & Black Sh. & Drk Gry Ls
StructureNortheast Strike Of Folds And Rock Units, Nw-Trending Fault Displaced Gypsums Beds, Two Ne Folds Complicate The Geologic Interpretation
Tectonic settingNorthwest Folding Superimposed On Northeast Folds
Economic & production
Development statusPast Producer
First production1940
Discovery year1908
Identification
Deposit ID10089286
MRDS IDW015562
RegionNA
Data scoreB
Coordinates44.56296, -112.64615
References
JOHNS, W. M., 1967, REPORT ON THE PETERSON, MCCARTHY AND TALENT GYPSUM PROPERTIES, BEAVERHEAD CO., MT.: MONT. BUREAU OF MINES AND GEOL. UNPUB. REPORT 21 P. AND MAPSPERRY, E. S., 1949, GYPSUM, LIME, AND LIMESTONE IN MONTANA: MONT. BR. MINES AND GEOL. MEM. 29, 45 P.JOHNS, W.M., 1967, REPORT ON THE PETERSON, MCCARTHY, AND TALENT GYPSUM PROPERTIES, BEAVERHEAD COUNTY, MONTANA: MONTANA BUREAU OF MINES AND GEOLOGY, 21 P. AND MAPS.1949 RECON MBMG, MEMOIR 291967 GEOLMAP MBMG, UNPUB. REPORT1967 OTHER MBMG, UNPUB. REPORTJOHNS, W. M., 1967, GYPSUM PROPERTIES, BEAVERHEAD CO., MONT.