Mine detail: Block P Mine

Previously called 'Wright - EdwardsBarker'

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Location: Judith Basin County, Montana, United States, North America
Lat / long: 47.0838, -110.63251
dep_id: 10089197
mrds_id: W014740
Commodity type: metallic
Major mineral: Silver, Lead, Zinc
Minor mineral: Gold, Copper
Trace mineral: Tungsten, Molybdenum
Operation type: Unknown
Deposit type: Polymetallic veins
Production size: Production occurred
Development status: Past Producer
ore: Marmatite, Pyrite, Sphalerite, Tetrahedrite, Galena
gangue: Barite, Calcite, Rhodochrosite
orebody_fm: CRESCENT-SHAPED VEIN
work_type: Underground
model: 85: Polymetallic veins
conc_proc: Slight Supergene Enrichment
ore_ctrl: Northwest-Northeast Joint System, Hughesville Stock
Reporter: Krohn, Douglas H.
hrock_unit: HUGHESVILLE QUARTZ MONZONITE STOCK
hrock_type: Quartz Monzonite
arock_unit: Galena Creek Porphyry;Hughesville Stock, Hughesville Quartz Monzonite;Mixes Baldy Laccolith, Wolf Porphyry;Clendennin Laccolith, Clendennin Mountain Porphyry
arock_type: Rhyolite,Granite
Structure: Zone Of Laccoliths And Other Igneous Intrusions Covering Over 800 Square Km, Domal Uplift Caused By Intrusion Of Snow Creek Porphyry, Hughesville Stock With Conjugate Fracture System
tectonic: Rocky Mountain Foreland
Year first produced: 1880
disc_yr: 1879
discr: B. Barker And P. W. Hughes
References:
  • Deposit:: ROBERTSON, A. F., AND ROBY, R. N., 1951, MINES AND MINERAL DEPOSITS (EXCEPT FUELS), JUDITH BASIN COUNTY, MONT.: U.S. BUREAU OF MINES INF. CIRC. 7602, 48 P.
  • Deposit:: WITKIND, I. J., 1973; IGNEOUS ROCKS AND RELATED MINERAL DEPOSITS OF THE BARKER QUADRANGLE, LITTLE BELT MOUNTAINS, MONTANA: U.S. GEOLOGICAL SURVEY PROF. PAPER 752, 58 P.
  • Economic Factors:: YOUNG, F.M., CROWLEY, F.A., AND SAHINEN, U.M., 1962, MARKETING PROBLEMS OF SMALL BUSINESS ENTERPRISES ENGAGED IN LEAD AND ZINC MINING: MONTANA BUREAU OF MINES AND GEOLOGY BULLETIN 30, P. 27.
  • Geology:: SPIROFF, KIRIL, 1938, GEOLOGICAL OBSERVATIONS OF THE BLOCK P MINE, HUGHESVILLE, MONTANA: ECONOMIC GEOLOGY, V. 33, NO. 5 P. 554-567.
  • Geology:: WALKER, G.E., 1991, GEOLOGY OF THE BARKER MINING DISTRICT, JUDITH BASIN AND CASCADE COUNTIES, MONTANA, IN GUIDEBOOK OF THE CENTRAL MONTANA ALKALIC PROVINCE: MONTANA BUREAU OF MINES AND GEOLOGY SPECIAL PUBLICATION 100, P. 29-37.
  • Geology:: BAKER, D.W., MCBRIDE, GWEN, AND DAHY, JAMES, 1991, FIELD GUIDE LITTLE BELT MOUNTAINS, IN GUIDEBOOK OF THE CENTRAL MONTANA ALKALIC PROVINCE: MONTANA BUREAU OF MINES AND GEOLOGY SPECIAL PUBLICATION 100, P. 145-162.
  • Geology:: WEED, W.H., 1900, GEOLOGY OF THE LITTLE BELT MOUNTAINS, MONTANA, WITH NOTES ON THE MINERAL DEPOSITS OF THE NEIHART, BARKER, YOGO, AND OTHER DISTRICTS; ACCOMPANIED BY A REPORT ON THE PETROGRAPHY OF THE IGNEOUS ROCKS OF THE DISTRICT, L.V. PIRSSON: U.S. GEOLOGICAL SURVEY 20TH ANNUAL REPORT (1898-1899), PART 3, P. 257-581.
  • Production:: USGS PROF. PAPER 752, P. 51
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