Mine detail: Forest-Payroll Mine

Previously called 'Patented Claims: Forest, MS 730Payroll, MS 7631Unpatented Claim: Wedge'

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Location

Lat / long:

37.6939, -108.01009

Resource(M)

Primary:	Zinc, Lead, Silver
Secondary:	Copper, Gold
Tertiary:	Manganese, Bismuth
Ore:	Anglesite, Chalcopyrite, Limonite, Pyrite, Sphalerite
Gangue:	Quartz
Orebody form:	TABULAR

Production

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

Geology

Host rock:	Hermosa Formation
Host type:	Limestone
Associated rock:	Hornblende Latite Porphyry
Associated type:	Latite
Structure:	San Juan Uplift, Paradox Basin, Rico Dome
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Oxidation Of Pb Sulfide To Carbonate And Sulfate; Alteration Of Pyrite; Mn Oxides From Impure Limestone

References

MRDS	D010768
DEP	10014125
Reference	{Deposit:: MCKNIGHT, E.T., 1974, GEOLOGY AND ORE DEPOSITS OF THE RICO DISTRICT, COLORADO: USGS PROF. PAPER 723, P. 73-75, 93-94.}{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. 346-349.}{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 730, 7631}{Production:: COLORADO DIV. MINES ANNUAL OPERATOR REPTS.; MCKNIGHT, 1974, P. 94 (FIGURES FOR 1965-1966)}
Reporter	Schwochow, Stephen D.