Geologic information
Identification information
Deposit ID |
10000834 |
MRDS ID |
A011487 |
Record type |
Site |
Current site name |
Portland Prospect |
Geographic coordinates
Geographic coordinates:
|
-145.3081, 61.29712 (WGS84)
|
Location accuracy |
2000(meters)
|
(click for info) |
Geographic areas
Country |
State |
United States |
Alaska |
Comments on the location information
- LOCATION APPROXIMATED FROM USGS OFR 80-892B, LOC. 38 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991). ; INFO FROM LAND.ST :49?
Commodities
Commodity |
Importance |
Gold |
Primary |
Materials information
Materials |
Type of material |
Gold |
Ore |
Host and associated rocks
Host or associated |
Associated |
Rock type |
Plutonic Rock
> Mafic Intrusive Rock
> Diorite |
Host or associated |
Host |
Rock type |
Sedimentary Rock
> Clastic Sedimentary Rock
> Siltstone |
Rock unit name |
Valdez Group |
Rock description |
Valdez Group;Valdez Group |
Comments on the geologic information
- SLATE, GRAYWACKE INTRUDED BY DIORITE PORPHYRY.