Mine detail: Brooklyn Group

Previously called ''

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Location

Lat / long:

37.6189, -107.65342

Resource(M)

Primary:	Gold, Silver
Tertiary:	Lead, Copper
Ore:	Chalcopyrite
Gangue:	Quartz

Production

Operation type:	Unknown
Deposit type:	Vein
Production size:	Small
Development status:	Past Producer
Last production ended:	1916

Geology

Host rock:	Irving Formation;Eolus Granite
Host type:	Quartz Monzonite,Schist,Gneiss,Granite
Associated rock:	Eolus Granite;Intrusive Bodies And Related Rocks (Younger And Older Bodies Of Chicago Basin Stock)
Associated type:	Quartz Monzonite,Rhyolite,Granite
Structure:	San Juan Uplift, San Juan Basin, San Juan Volcanic Field, Needle Mtns Uplift, Eolus Batholith, Chicago Basin Stock, Trimble Stock
Tectonic:	Central Cordillera (Southern Rocky Mtns)

References

MRDS	D010702
DEP	10014080
Reference	{Deposit:: SCHMITT, L.J., AND RAYMOND, W.H., 1977, GEOLOGY AND MINERAL DEPOSITS OF THE NEEDLE MOUNTAINS DISTRICT, SOUTH-WESTERN COLORADO: USGS BULL. 1434, 40 P.}{Deposit:: STEVEN, T.A., AND OTHERS, 1969, MINERAL RESOURCES OF THE SAN JUAN PRIMITIVE AREA, COLORADO: USGS BULL, 1261-F, P. 30-32, 55-67.}{Deposit:: CROSS, WHITMAN, AND OTHERS, 1905, DESCRIPTION OF THE NEEDLE MOUNTAINS QUADRANGLE, COLORADO: USGS FOLIO 131.}{Deposit:: COLORADO DIV. MINES INF. REPT.}
Reporter	Schwochow, Stephen D.