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.
