Mine detail: Mayfield Mine

Previously called 'Alaska Mayfield'

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Location

Lat / long:

61.15848, -146.8359

Resource(M)

Primary:	Gold
Tertiary:	Copper, Zinc, Lead
Ore:	Chalcopyrite, Galena, Gold, Sphalerite
Gangue:	Pyrite, Quartz
Orebody form:	LENSES, VEINS, STRINGERS
Discovery year:	1911

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Last production ended:	1938

Geology

Host rock:	Valdez Group
Host type:	Siltstone
Structure:	Host Rock Is Cut By Vertical Joints Running N20 To 30w
Tectonic:	Chugach Terrane

References

MRDS	A011443
DEP	10000798
Reference	{Deposit:: USGS BULL 520,P. 125}{Deposit:: USGS BULL 622,P. 53,185-186}{Deposit:: USGS BULL 880-A,P. 24-25}{Deposit:: USGS MF-438, LOC. 7}{Deposit:: USGS OFR 80-892B; LOC. 4}{Other Database:: BAG-OFR-80-892B-04}
Reporter	Mosier, Dan, Waller, Nichelle (Mosier, Dan), Leonard, Kenneth R. (Elliott, R. L.)