Mine detail: Silver Swan Mine

Previously called 'Little Maggie, MS 8070EliesePatented Claims: N.A. Cowdrey, MS 6317Hardscrabble, MS 8070Burchard, MS 8070Sachem, MS 20620Dawson, MS 20620Silver Swan, MS 20620Wamba, MS 20620Katherine,Ms 20620Twilight, MS 20622Unpatented Claims: New EraNirvanaNew Era Nos. 1-3Nirvana Nos. 1-3FrancesTamaleRubyIraAliceMarjoriePine KnotPanamaCrescent RomildaLouiseTangoWhite HopeRoseEleanorSignal and SunriseChampiton'

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Location: Dolores County, Colorado, United States, North America
Lat / long: 37.68084, -108.03565
dep_id: 10014142
mrds_id: D010789
Commodity type: metallic
Major mineral: Silver, Lead, Zinc
Minor mineral: Copper, Gold
Operation type: Unknown
Production size: Small ammount of material produced
Development status: Past Producer
ore: Chalcopyrite, Pyrite, Sphalerite
model: 72: Polymetallic replacement
Reporter: Schwochow, Stephen D.
hrock_unit: Hermosa Formation
hrock_type: Shale,Sandstone,Limestone
arock_unit: Hornblende Latite Porphyry;Augite Monzonite
arock_type: Monzonite,Latite
Structure: San Juan Uplift, Paradox Basin, Rico Dome
tectonic: Central Cordillera (Southern Rocky Mtns)
yr_lst_prd: 1966
References:
  • Deposit:: RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN. REPT., PT. 2, P. 361-362.
  • Deposit:: MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723.
  • Deposit:: PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGS MAP GQ-797.
  • Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.
  • Deposit:: BLM MINERAL SURVEYS MS 6317, 8070, 20620, 20622
  • Production:: COLORADO DIV. MINES ANNUAL OPERATOR REPTS.
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