Alaska
Past Producer
Apex-El Nido Mines
Alaska, United States
Gold
Silver
Copper
Lead
Zinc
Tungsten
Arsenic
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USGS source ↗
Commodities
Primary
Gold
Secondary
Silver
Tertiary
Copper, Lead, Zinc, Tungsten, Arsenic
Commodity type
M
Deposit
Deposit size
S
Workings
Underground
Orebody form
TABULAR
Materials
Ore minerals
Chalcopyrite, Galena, Gold, Scheelite, Sphalerite, Tetrahedrite
Gangue
Pyrite, Quartz
Geology
Host rock
Diorite
Structure
Vertical Fault Lies Between Apex And El Nido Veins
Alteration
Diorite Wall Rock Altered Near El Nido Vein
Economic & production
Development status
Past Producer
First production
1920
Last production
1939
Discovery year
1919
Identification
Deposit ID
10000501
MRDS ID
A010690
Region
NA
Data score
B
Coordinates
57.94971, -136.29372
References
USGS OFR 78-450, P. 8-11USGS B 1058-E, P. 143, 200-204USGS B 963-A, P. 20-23