Geologic information
Identification information
Deposit ID |
10001996 |
MRDS ID |
A012840 |
Record type |
Site |
Current site name |
Jorgensen Prospect |
Alternate or previous names |
Borasco Claim, Eureka Claim
|
Related records |
10112150 |
Geographic coordinates
Geographic coordinates:
|
-165.42216, 64.58456 (WGS84)
|
Relative position |
HEAD OF MARY GULCH; W SIDE OF BONANZA HILL |
(click for info) |
Geographic areas
Country |
State |
United States |
Alaska |
Comments on the location information
- USGS MF-247, LOC. 8; AK-KX-52-134. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).
Commodities
Commodity |
Importance |
Gold |
Primary |
Lead |
Secondary |
Tungsten |
Secondary |
Comments on the commodity information
- MOST AU IN SULFIDES (PYRITE AND/OR ARSENOPYRITE)
Materials information
Materials |
Type of material |
Galena |
Ore |
Gold |
Ore |
Scheelite |
Ore |
Oligoclase |
Gangue |
Pyrite |
Gangue |
Quartz |
Gangue |
Host and associated rocks
Host or associated |
Host |
Rock type |
Metamorphic Rock
> Metasedimentary Rock
> Marble |
Geologic structures
Type of structure |
Local |
Structure description |
Fault: N 65 Degrees W, Stee[ Ne Dip. |
Controls for ore emplacement
- Fault: N 65 Degrees W, Steep Ne Dip.
Comments on the geologic information
- STRIKE AND DIP OF COUNTRY ROCK: N, 28 DEGREES E; JOINTS: N 30 DEGREES E, 70 DEGREES NW; QUARTZ VEINS: N 60 DEGREES E, 90.