Mine detail: Lucky Four Mine

Previously called 'Patented Claims: Lucky Four, MS 19336Lucky Four No. 2, MS 19336Delphic, MS 19336Dead Pine, MS 19336Hesperain, MS 19336Iron King, MS 19336'

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Location: La Plata County, Colorado, United States, North America
Lat / long: 37.36751, -108.07037
dep_id: 10014177
mrds_id: D010837
Commodity type: metallic
Major mineral: Gold, Silver
Minor mineral: Copper, Lead
Trace mineral: Zinc
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Galena, Sphalerite
gangue: Barite, Quartz
model: 85: Polymetallic veins
alteration: Oxidation Of Pb Sulfide
Reporter: Schwochow, Stephen D.
hrock_unit: Dolores Formation;Pony Express Limestone Member Of Wanakah Formation
hrock_type: Mudstone,Sandstone,Limestone
arock_unit: Porphyritic Rocks--Diorite-Monzonite Porphyry
arock_type: Diorite
Structure: San Juan Uplift, Four Corners Platform, La Plata Dome
tectonic: Central Cordillera (Southern Rocky Mtns)
Year first produced: 1907
yr_lst_prd: 1914
References:
  • Deposit:: ECKEL, E.B., AND OTHERS, 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 69-70, 140.
  • Deposit:: BLM MINERAL SURVEY MS 19336
  • Production:: ECKEL AND OTHERS, 1949, P. 140 (AS COMPILED FROM USGS/USBM RECORDS)
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