Commodities
PrimaryGold
TertiaryCopper, Zinc, Lead
Commodity typeM
Deposit
Deposit sizeS
WorkingsSurface/Underground
Orebody formLENSES, VEINS, STRINGERS
Ore controlFracture Control; One Ore Body At Junction Of Fault And Spur Vein On Joint Plane
Materials
Ore mineralsChalcopyrite, Galena, Gold, Sphalerite
GanguePyrite, Quartz
Geology
Host rockSiltstone · Valdez Group
StructureHost Rock Is Cut By Vertical Joints Running N20 To 30w
Tectonic settingChugach Terrane
Economic & production
Development statusPast Producer
Last production1938
Discovery year1911
Identification
Deposit ID10000798
MRDS IDA011443
Alternate namesAlaska Mayfield
RegionNA
Data scoreB
Coordinates61.15848, -146.8359
References
USGS BULL 520,P. 125USGS BULL 622,P. 53,185-186USGS BULL 880-A,P. 24-25USGS MF-438, LOC. 7USGS OFR 80-892B; LOC. 4BAG-OFR-80-892B-04