Commodities
PrimaryTungsten
TertiaryBeryllium, Molybdenum
Commodity typeM
Deposit
Deposit sizeS
Orebody formLINEAR
Ore controlTactite Zone Near Intrusions
Materials
Ore mineralsMolybdenite, Scheelite
GangueActinolite, Calcite, Chlorite, Diopside, Garnet, Pyrite, Quartz, Tremolite
Geology
Host rockSkarn (Tactite) · Wood River Formation-Limestone, Marble, Marble;Schist, Biotite Gneiss;Tactite
Associated rockDiorite · Leucogranodiorite Dikes
StructureAsymmetric Anticline, Axis N 20 Deg W, Steep Flank On The East
AlterationSericitized
Economic & production
Development statusProducer
First production1954
Discovery year1953
Identification
Deposit ID10089167
MRDS IDW013645
Alternate namesHard To Find, Steep Climb, Beaver
RegionNA
Data scoreB
Coordinates43.7958, -114.0933
References
COOK, E. F., 1956, TUNGSTEN DEPOSITS OF SOUTH - CENTRAL IDAHO, IDAHO BUREAU OF MINES AND GEOLOGY PAMPHLET 108, 43 P.USBM, 1975, ACTIVITY OF IDAHO MINING PROPERTIES, 1974, USBM, BOISE, IDAHO, 61 P.IDAHO DEPT. OF LABOR AND INDUSTRIAL SERVICES, JULY 1974 - JUNE 1975, FIRST ANNUAL REPT. ADDENDUM, 95 P.LEE, H., 1955 , TUNGSTEN MINERALIZATION AT THE WILDHORSE MINE, CUSTER COUNTY, IDAHO: MOSCOW, IDAHO, UNIV. OF IDAHO, M.S. THESIS, 45 P.5) PATTEE, E.C., AND OTHERS, 1968 , BERYLLIUM RESOURCES OF IDAHO, WASHINGTON, MONTANA, AND OREGON: USBM REPT. INV. 7148, 169 P.UMPLEBY, J.R., 1930, USGS BULL 814.1955 GEOLMAP IDAHO BUREAU OF MINES & GEOL. PAMPHLET 108COOK, E. F., 1956, IDAHO BUREAU OF MINES & GEOL. PAM. 108, P. 12