Mine detail: Cascade Mine

Previously called 'Hall TunnelR. E. LeeTolland County TunnelAlbert Hall TunnelChloride'

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Location

Lat / long:

39.72555, -105.63031

Resource(M)

Primary:	Silver
Secondary:	Lead, Zinc, Copper, Gold
Ore:	Galena, Pyrargyrite, Sphalerite, Tetrahedrite, Silver
Gangue:	Quartz

Production

Operation type:	Underground
Development status:	Past Producer

Geology

Host rock:	Idaho Springs Formation, Silver Plume Granite
Host type:	Gneiss,Schist,Granitoid
Associated type:	Porphyry
Structure:	brecciated and gouge-filled fissures
Alteration processes:	silicified

References

MAS	80190364
DEP	10287657
Reference	{Deposit:: REF:CBM ANNUAL REPORT 1968 OWN/OP:WHITE ROCK AGGREGATE & MIN}{Deposit:: Sunshine Mining Co. Colorado exploration files, unpublished data, Colorado Geological Survey.}
Reporter	Intermountain Field Operations Center (IFOC), Beach, Richard A.