Mine detail: Cliff Mine

Previously called ''

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Location

Lat / long:

61.12209, -146.56589

Resource(M)

Primary:	Gold
Tertiary:	Lead, Zinc
Ore:	Galena, Gold, Sphalerite
Gangue:	Albite, Calcite, Chlorite, Pyrite, Quartz
Orebody form:	PINCH AND SWELL
Discovery year:	1906

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1910
Last production ended:	1940

Geology

Host rock:	Valdez Group
Host type:	Siltstone
Structure:	Tightly Compressed E-W Trending Folds, Overturned Towarrd The S. Pluge Gently W
Tectonic:	Area Is Considered To Be Part Of Accretionary Complex Known As Chugach Terrane
Alteration processes:	Oxidation Is Evident To 100 Ft, Distinct Over Approximately 50 Ft

References

MRDS	A011459
DEP	10100959
Reference	{Deposit:: USGS BULL 443, P. 72-74, 76-77}{Deposit:: USGS BULL 622, P. 135, 152-153, 156, 170-172}{Deposit:: USGS BULL 989-E, P. 304-306}{Deposit:: USGS PP 542-C, P. C30}{Deposit:: USGS PP 610, P. 31-32}{Deposit:: USGS OFR 80-892A, B, LOC. 15}{Deposit:: ADGGS SR 33, P. 12}{Deposit:: PICKTHORN, WILLIAM JOSEPH, 1982, STABLE ISOTOPE AND FLUID INCLUSION STUDY OF THE PORT VALDEZ GOLD DISTRICT, SOUTHERN ALASKA: LOS ANGELES, CA, UCLA, M. S. THESIS, 66 P.}{Other Database:: BAG-OFR-80-892B-15}
Reporter	Leonard, Kenneth R. (Elliott, R. L.), Mosier, Dan, Waller, Nichelle (Mosier, Dan)