Alaska
Occurrence

I and L Prospect 3

Alaska, United States
UraniumThoriumREE
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Description

I And L Hollenbeak

Commodities
PrimaryUranium, Thorium
TertiaryREE
Commodity typeM
Deposit
Deposit sizeN
Materials
Ore mineralsBrannerite, Parisite, Uraninite, Xenotime
GangueAlbite, Ilmenite, Quartz, Sphene, Zircon
Geology
Host rockPeralkaline Granite
Associated rockPeralkaline Granite
AlterationFeldspars In Pegmatite Are Altered To Clay Minerals
Economic & production
Development statusOccurrence
Discovery year1955
Identification
Deposit ID10000235
MRDS IDA010272
Alternate namesI and L Prospect 4, I and L Prospect 1, I and L Prospect 2, Limestone Creek, Bedrock Creek, Kramer Cree, Russian John Creek, Ptormigan Creek
RegionNA
Data scoreB
Coordinates54.91751, -132.13788
References
USGS BULLETIN 1154, P. 85-88USGS CIRCULAR 751-B, P. B74-B 75USGS OPEN FILE 78-863, P. 6-8