Mine detail: January Mine

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Location: Broadwater County, Montana, United States, North America
Lat / long: 46.4149, -111.69698
dep_id: 10071880
mrds_id: W015576
Commodity type: metallic
Major mineral: Silver, Gold
Minor mineral: Lead, Zinc, Copper
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Galena, Tetrahedrite
gangue: Pyrolusite, Rhodochrosite
orebody_fm: VEIN FILLING
work_type: Underground
alteration: Vein Continues Into Altered Andesite
conc_proc: Mineralization In Sheared Country Rock
ore_ctrl: Controlled By Fault Fissure (Strike Nw) At Contact Of Andesite And A Small Quartz Monzonite Stock
Reporter: Mckenzie, Craig L.; R. B. Berg
hrock_type: Volcanic Rock (Aphanitic),Andesite
arock_unit: Andesite;Quartz Monzonite Stock
arock_type: Volcanic Rock (Aphanitic),Andesite
Structure: Boulder Batholith, Lombard Overthrust, Vein Is Zone Of Shearing Containing Blocks Of Country Rock Along Fault Fissure
Year first produced: 1906
References:
  • Deposit:: EARLL, F. N., 1964, ECONOMIC GEOLOGY AND GEOCHEMICAL STUDY OF WINSTON MINING DISTRICT, BROADWATER COUNTY, MONTANA, MONT. BUREAU OF MINES AND GEOL. BULL. 41, P. 17-18, 44-46.
  • Deposit:: KLEPPER, M. R., RUPPEL, E. T., FREEMAN, V. L., WEEKS, R. A., 1971, GEOLOGY AND MINERAL DEPOSITS, EAST FLANK OF THE ELKHORN MOUNTAINS, BROADWATER COUNTY, MONTANA, US GEOLOGICAL SURVEY PROF. PAPER 665 P. 41
  • Production:: EARLL, F. N., 1964, WINSTON MINING DISTRICT
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