Mine detail: Magnet Prospect

Previously called ''

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Location

Lat / long: 37.70751, -108.05315

Resource(M)

Primary: Iron
Tertiary: Copper, Silver, Gold
Ore: Chalcopyrite, Magnetite
Gangue: Malachite

Production

Operation type: Unknown
Deposit type: Replacement
Production size: Small
Development status: Past Producer
First production started: 1875
Last production ended: 1900

Geology

Host rock:Hermosa Formation
Host type:Limestone
Associated rock:Augite Monzonite;Hornblende Latite Porphyry
Associated type:Monzonite,Latite
Structure:San Juan Uplift, Paradox Basin, Rico Dome
Tectonic:Central Cordillera (Southern Rocky Mtns)
Alteration processes:Oxidation Of Cu Sulfide To Carbonate

References

MRDSD010777
DEP10014131
Reference{Deposit:: HARRER, C.M., AND TESCH, W.J., JR., 1959, RECONNAISSANCE OF IRON OCCURRENCES IN COLORADO: USBM IC-7918, P. 27.}{Deposit:: CROSS, WHITMAN, AND RANSOME, F.L., 1909, DESCRIPTION OF THE RICO QUADRANGLE: USGS FOLIO 130, P. 15.}{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. 356.}
ReporterSchwochow, Stephen D.