Alaska
Occurrence
Orange Hill Prospect
Alaska, United States
Copper
Molybdenum
Silver
Gold
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USGS source ↗
Commodities
Primary
Copper, Molybdenum
Secondary
Silver, Gold
Commodity type
M
Deposit
Deposit size
N
Materials
Ore minerals
Chalcopyrite, Gold, Molybdenite
Gangue
Pyrite, Quartz
Geology
Host rock
Diorite · Nabesna Pluton
Associated rock
Diorite · Nabesna Pluton;Nabesna Pluton
Alteration
Central Altered Zone (About 400x2000m) Contains Abuntant Biotite, Quartz Veinlets, Minor K-Feldspar, Chlorite, And Sericite. Outer Altered Zones (About 100x3000m) Contain Chlorite, Minor Sericite And Anhydrite.
Economic & production
Development status
Occurrence
Discovery year
1903
Identification
Deposit ID
10000513
MRDS ID
A010707
Alternate names
Lemon, Alaska Nabesna Corp.
Region
NA
Data score
C
Coordinates
62.20386, -142.84143
References
USGS OFR 80-927, P. 49-50USGS MF-655K