Mine detail: Wellington Group

Previously called 'Mountain BoyLittle Casper, MS 19665Mountain Springs, MS 6129Ethlena, MS 6136C.S.H.H., MS 6286Black Night, MS 8135Iron Rod, MS 8140Excelsior, MS 8141Excelsior No. 2, MS 8141Lottie, MS 8223Worlds Fair, MS 15233Cerebus, MS 19665X-Ray, MS 19665Goliath, MS 19665Unpatented Claims: Baby RuthAcmeEmpireSlideTelescopeTriangleFair ViewIron ClawHornetHidden TreasureGipsy, MS 2499Leap Year, MS 6105General Sheridan, MS 2479Mountain Spring-Wellington GroupPatented Claims: Harvey, MS 914Uncle Ned, MS 915Undine, MS 1090Tip Top, MS 1248Robber State, MS 1464Maid of Australia, MS 1587General Logan, MS 2476General Sherman, MS 2477General O.O. Howard, MS 2478'

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Location

Lat / long:

37.71279, -108.02232

Resource(B)

Primary:	Zinc, Silver, Lead
Secondary:	Gold, Copper, Quartz, Sulfur-Pyrite
Tertiary:	Manganese
Ore:	Anglesite, Chalcopyrite, Limonite, Pyrite, Smithsonite, Sphalerite
Gangue:	Alabandite, Diaspore, Fluorite, Kaolinite, Siderite, Topaz
Other material:	Quartz
Discovery year:	1885

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1887
Last production ended:	1966

Geology

Host rock:	Hermosa Formation
Host type:	Sandstone,Limestone
Associated rock:	Hornblende Latite Porphyry;Alaskite Porphyry
Associated type:	Latite,Granite
Structure:	San Juan Uplift, Paradox Basin, Rico Dome, Blackhawk Fault, Princeton Fault
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Oxidation Of Sulfide Ore; Oxidation Of Pyrite To Limonite

References

MRDS	D010793
DEP	10014145
Reference	{Deposit:: MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 78-79.}{Deposit:: PRATT, W.P., AND OTHERS, 1969, GEOLOGIC MAP OF THE RICO QUADRANGLE, DOLORES AND MONTEZUMA COUNTIES, COLORADO: USGS MAP GQ-797.}{Deposit:: RANSOME, F.L., 1901, THE ORE DEPOSITS OF THE RICO MOUNTAINS, COLORADO: USGS 22D ANN. REPT., PT. 2, P. 387-388.}{Deposit:: CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Deposit:: BLM MINERAL SURVEYS MS 914, 915, 1090, 1248, 1464, 1587, 2476, 2477, 2478, 2479, 6129, 6105, 6136, 6286, 8135, 8140, 8141, 8223, 15233, 19665}{Production:: COLORADO DIV. MINES ANNUAL OPERATOR REPTS.}
Reporter	Schwochow, Stephen D.