Mine detail: Bell Hamilton Mine

Previously called ''

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Location

Lat / long:

37.49084, -108.05926

Resource(M)

Primary:	Copper, Silver
Ore:	Chalcocite, Malachite, Silver
Gangue:	Calcite, Limonite, Pyrite
Orebody form:	LENSES, SEAMS, PEBBLE-LIKE MASSES
Discovery year:	1882

Production

Operation type:	Underground
Production size:	None
Development status:	Prospect
First production started:	1882
Last production ended:	1932

Geology

Host rock:	Dolores Formation
Host type:	Shale,Sandstone,Limestone
Associated rock:	Monzonite Porphyry
Associated type:	Monzonite,Felsic Volcanic Rock
Structure:	San Juan Uplift (San Juan Mountains), La Plata Mountains Dome, Faults, Fractures Parallel To Dike For 10 To 20 Ft
Tectonic:	Central Cordillera (Southern Rocky Mountains), Colorado Plateau
Alteration processes:	Hydrothermal Alteration, Bleaching

References

MRDS	D009282
MAS	80837004
DEP	10094556
Reference	{Deposit:: GODDARD, E.N., 1949, COPPER DEPOSITS OF THE BEAR CREEK DISTRICT, IN ECKEL, E.B., 1949, GEOLOGY AND ORE DEPOSITS OF THE LA PLATA DISTRICT, COLORADO: USGS PROF. PAPER 219, P. 70-72, 90-91, pl. 13, #4.}{Deposit:: BURCHARD, H.C., 1883, REPORT OF THE DIRECTOR OF THE MINT FOR 1882, P. 508.}
Reporter	Wilson, Anna B., Collins, Donna B.