Alaska
Occurrence

Portland Prospect

Alaska, United States
Gold
⌖ Show on mapUSGS source ↗
Commodities
PrimaryGold
Commodity typeM
Deposit
Deposit sizeN
Orebody formVEIN, LENS
Materials
Ore mineralsGold
Geology
Host rockSiltstone · Valdez Group
Associated rockDiorite
Economic & production
Development statusOccurrence
Identification
Deposit ID10000834
MRDS IDA011487
RegionNA
Data scoreC
Coordinates61.29712, -145.3081
References
USGS BULL 662, P. 177USBM IC 8626, P. 19USGS MF-438, LOC. 46USGS OFR 80-892B, LOC. 38BAG-OFR-80-892B-38