Alaska
Occurrence

Mullen Prospect

Alaska, United States
CopperSilverGold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryCopper
SecondarySilver, Gold
Commodity typeM
Deposit
Deposit sizeN
WorkingsSurface/Underground
Materials
Ore mineralsBornite, Chalcocite, Chalcopyrite, Covellite, Malachite
GangueCalcite, Pyrite, Quartz
Geology
Host rockLimestone · Chitistone Limestone
Associated rockGreenstone · Nikolai Greenstone;
StructureRegional Stratigraphy Consists Of Nikolai Greenstone Overlain By Chitistone Limestone; Greenstone-Limestone Section Has Been Thrust Over Younger Tri Sediments
AlterationDiorite Altered To Chlorite, Calcite, Talc, Levcoxene, Quartz And Pyrite
Economic & production
Development statusOccurrence
Identification
Deposit ID10000860
MRDS IDA011513
RegionNA
Data scoreC
Coordinates61.67548, -144.06698
References
USGS BULL 374, P. 62-63USGS BULL 745, P. 101-102USGS BULL 947-G, P. 126-129USGS BULL 1246, P. 41USGS MF-438, LOC. 70USGS OFR 80-892B, LOC. 57USGS OFR 80-892ABAG-OFR-80-892B-57