Mine detail: Big Ben Molybdenum

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Location: Cascade County, Montana, United States, North America
Lat / long: 46.96574, -110.71306
dep_id: 10096465
mrds_id: W026530
Commodity type: metallic
Major mineral: Molybdenum
Trace mineral: Copper, Tungsten, Lead
Operation type: Unknown
Production size: No production occurred
Development status: Occurrence
ore: Chalcopyrite, Galena, Molybdenite, Molybdite
gangue: Fluorite, Quartz
orebody_fm: IRREGULAR
work_type: Surface/Underground
alteration: Some Silicification Of Country Rock
conc_proc: Fracture Filling And Disseminations
ore_ctrl: Fracturing And Alteration
Reporter: Mc Kenzie, Craig L.; R. B. Berg
hrock_unit: Gneisses And Schists
hrock_type: Gneiss
Structure: Little Belt Mountains Are A Broad East - West Arch, Significant Intrusion By Porphyries And Diorites
disc_yr: 1922
discr: Frank Mansikka Neihart, Montana
References:
  • Deposit:: HERDLICK, J. A., 1949 , INVESTIGATION OF THE BIG BEN MOLYBDENUM DEPOSIT, NEIHART DISTRICT, CASCADE, MONT; US BUREAU OF MINES REPT. OF INV. 4406
  • Deposit:: ROBERTSON, A. F., 1951 , MINES AND MINERAL DEPOSITS (EXCEPT FUELS) CASCADE COUNTY, MONTANA, U. S. BUREAU OF MINES INFO. CIRCULAR 7589 P 59 - 61
  • Deposit:: SCHAFER, P. A., 1935 , GEOLOGY AND ORE DEPOSITS OF THE NEIHART MINING DISTRICT, CASCADE COUNTY, MONTANA, MONT. BUREAU OF MINES AND GEOL. MEMOIR NO. 13 P. 56 - 57
  • Deposit:: CREASEY, S.C., SCHOLZ, E.A., 1944, BIG BEN MOLYBDENUM DEPOSIT, NEIHART MINING DISTRICT, CASCADE COUNTY: MONTANA GEOLOGICAL SOCIETY PRELIMINARY REPORT, P. 29.
  • Deposit:: 1943 DIREXPL BUREAU OF MINE
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