Mine detail: Rico-Argentine Mine

Previously called 'Argentine Mine Encompassing Rico ConsolidatedArgentine ShaftBlackhawk Log CabinJames G. Blaine TunnelMaggie ShaftBlacksmith TunnelAnd Portion of St. Louis Tunnel'

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Location

Lat / long:

37.70112, -108.00815

Resource(M)

Primary:	Silver, Lead, Zinc
Secondary:	Cadmium, Gold, Copper, Sulfur-Pyrite
Tertiary:	Bismuth, Tungsten, Beryllium, Manganese
Ore:	Chalcopyrite, Gold, Hydrozincite, Limonite, Pyrite, Smithsonite, Tennantite
Gangue:	Alabandite, Aurichalcite, Barite, Clinozoisite, Fluorite, Garnet, Helvite, Huebnerite, Kaolinite, Magnetite, Pyrrhotite, Quartz, Rhodochrosite, Topaz
Orebody form:	TABULAR, LINEAR, IRREGULAR
Discovery year:	1877

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1879
Last production ended:	1976

Geology

Host rock:	Hermosa Formation
Host type:	Shale,Sandstone,Limestone,Latite
Associated rock:	Hornblende Latite Porphyry
Associated type:	Latite
Structure:	San Juan Uplift, Paradox Basin, Rico Dome, Blackhawk Fault, Hidden Fault, Allegheny Fissure, Last Chance Fault, Honduras Fault
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Alteration Of Mn-Bearing Carbonates To Mn Oxides; Oxidation Of Sulfide Ores To Carbonates; Oxidation Of Pyrite To Fe Oxides

References

MRDS	D010784
DEP	10101868
Reference	{Deposit:: MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 81-89.}{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. 368-372, 374.}{Deposit:: CROSS, WHITMAN, AND RANSOME, F.L., 1905, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130.}{Deposit:: MUILENBURG, G.A., 1919, MANGANESE DEPOSITS OF COLORADO: CGS BULL. 15, P. 48-49.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Production:: COLORADO DIV. MINES ANNUAL OPERATOR REPTS.}
Reporter	Schwochow, Stephen D.