Colorado · Dolores County
Past Producer

Silver Swan Mine

Dolores County, Colorado, United States
SilverLeadZincCopperGold
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Lead, Zinc
SecondaryCopper, Gold
Commodity typeM
Deposit
Model72: Polymetallic replacement
Deposit sizeS
Materials
Ore mineralsChalcopyrite, Pyrite, Sphalerite
Geology
Host rockShale,Sandstone,Limestone · Hermosa Formation
Associated rockMonzonite,Latite · Hornblende Latite Porphyry;Augite Monzonite
StructureSan Juan Uplift, Paradox Basin, Rico Dome
Tectonic settingCentral Cordillera (Southern Rocky Mtns)
Economic & production
Development statusPast Producer
Last production1966
Identification
Deposit ID10014142
MRDS IDD010789
Alternate namesLittle Maggie, MS 8070, Eliese, Patented Claims: N.A. Cowdrey, MS 6317, Hardscrabble, MS 8070, Burchard, MS 8070, Sachem, MS 20620, Dawson, MS 20620, Silver Swan, MS 20620, Wamba, MS 20620, Katherine,Ms 20620, Twilight, MS 20622, Unpatented Claims: New Era, Nirvana, New Era Nos. 1-3, Nirvana Nos. 1-3, Frances, Tamale, Ruby, Ira, Alice, Marjorie, Pine Knot, Panama, Crescent Romilda, Louise, Tango, White Hope, Rose, Eleanor, Signal and Sunrise, Champiton
RegionNA
Data scoreB
Coordinates37.68084, -108.03565
References
RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN. REPT., PT. 2, P. 361-362.MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723.PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGS MAP GQ-797.COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.BLM MINERAL SURVEYS MS 6317, 8070, 20620, 20622COLORADO DIV. MINES ANNUAL OPERATOR REPTS.