Mine detail: Big Four Mineral Cr. Mine

Previously called ''

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Location

Lat / long: 61.22627, -146.34895

Resource(M)

Primary: Gold
Tertiary: Lead, Zinc
Ore: Galena, Gold, Sphalerite
Gangue: Pyrite, Quartz
Orebody form: QUARTZ VEIN
Discovery year: 1911

Production

Operation type: Unknown
Production size: Small
Development status: Past Producer
First production started: 1914
Last production ended: 1939

Geology

Host rock:Valdez Group
Host type:Slate
Structure:Veins Are Offset By Faults Trending N 10 To 20 E
Tectonic:Chugach Terrane

References

MRDSA011463
DEP10000813
Reference{Deposit:: USGS BULL 520, P. 125}{Deposit:: USGS BULL 622, P. 153, 164-165}{Deposit:: USGS BULL 880-A, P. 23-24}{Deposit:: USGS MF-438, LOC. 22}{Deposit:: USGS OFR 80-892B, LOC. 19}{Other Database:: BAG-OFR-80-892B-19}
ReporterLeonard, Kenneth R. (Elliott, R. L.), Waller, Nichelle (Mosier, Dan)