Mine detail: Manhattan District

Previously called ''

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Location

Lat / long:

40.7322, -105.59977

Resource(M)

Primary:	Gold, Silver
Secondary:	Copper
Tertiary:	Zinc, Lead, Uranium
Ore:	Chalcopyrite, Galena, Pitchblende, Pyrite, Sphalerite, Uranophane

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Last production ended:	1941

Geology

Host rock:	Sherman Granite;Metamorphic Rocks-Felsic And Hornblendic Gneisses
Host type:	Quartz Monzonite
Associated rock:	Sherman Granite;Laramide Intrusive Rocks-Quartz Monzonite Porphyry
Associated type:	Quartz Monzonite
Structure:	Front Range Uplift, Sherman Batholith, Rawah Batholith, Poudre River Shear Zone, Elkhorn Creek Shear Zone
Tectonic:	Central Cordillera (Southern Rocky Mtns)
Alteration processes:	Oxidation Of Pyritic Ores

References

MRDS	D010594
DEP	10101858
Reference	{Deposit:: LOVERING, T.S., AND GODDARD, E.N., 1950, GEOLOGY AND ORE DEPOSITS O F THE FRONT RANGE, COLORADO: USGS PROF. PAPER 223, P. 285-286.}{Deposit:: MARKS, J.H., 1935, REPORT ON MINING PROPERTY OF C.M. GERE, ET. AL., THE GOLD COIN MNG. SYNDICATE, MANHATTAN MNG. DISTRICT, LARIMER COUNTY : COLORADO ST. PLAN. COMM. UNPUB. REPT., 2 P., 3 MAPS.}{Deposit:: COLORADO DIV. MINES INF. REPTS. AND ANNUAL OPERATOR REPTS.}{Deposit:: BLM MINERAL SURVEYS}{Deposit:: NELSON-MOORE, J.L., AND OTHERS, 1978, RADIOACTIVE MINERAL OCCURENCE S OF COLORADO AND BIBLIOGRAPHY: CGS BULL. 40, P. 208-211.}
Reporter	Schwochow, Stephen D.