Mine detail: Detroit Dam Occurrence

Previously called ''

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Location

Lat / long:

44.69814, -122.25005

Resource(M)

Primary:	Copper, Lead, Zinc
Ore:	Chalcopyrite, Galena, Pyrite, Sphalerite
Gangue:	Calcite, Chlorite, Epidote, Quartz, Sericite

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host rock:	Sardine
Host type:	Tuff
Associated rock:	Detroit Stock
Associated type:	Diorite
Alteration processes:	Propylitic

References

MRDS	M025335
DEP	10036508
Reference	POWER, S.G., AND FIELD, C.W., 1981, THE GEOLOGY, MINERALLIZATION, AND METALLIZATION OF MINING DISTRICTS IN THE WESTERN CASCADES OF OREGON AND SOUTHERN WASHINGTON; ODGMI SPEC. PAPER IN PREP
Reporter	Ferns, Mark L. (Brooks, Howard C.), Gray, Jerry J.