Geologic information
Identification information
Deposit ID |
10100999 |
MRDS ID |
A013271 |
Record type |
Site |
Current site name |
Alaska Chichogof Mining Co. Gold Mine |
Related records |
10185748 |
Geographic coordinates
Geographic coordinates:
|
-136.10369, 57.65804 (WGS84)
|
Elevation |
30 |
Relative position |
0.4 MI. SW OF CHICHAGOF |
(click for info) |
Geographic areas
Country |
State |
United States |
Alaska |
Comments on the location information
- USGS B 929, PLATE 1; USGS MF-1476-B, LOC. 16; USGS MF-467, LOC. 32 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 |
Silver |
Secondary |
Materials information
Materials |
Type of material |
Gold |
Ore |
Silver |
Ore |
Quartz |
Gangue |
Analytical data
Result |
ORE HAD ASSAY VALUE SLIGHTLY GREATER THAN 1 OZ/TON AU-USGS B 929, P. 130 |
Host and associated rocks
Host or associated |
Host |
Rock type |
Sedimentary Rock
> Clastic Sedimentary Rock
> Siltstone |
Rock unit name |
Sitka Graywacke; |
Rock description |
Sitka Graywacke; |
Geologic structures
Type of structure |
Local |
Structure description |
Graywacke Strikes N 64 Degrees-78 Degrees W And Dips 73 Degrees-75 Degrees Sw |
Ore body information
Thickness |
1.52M
|
Depth to bottom |
43.28M
|
Depth to top |
4.57M
|
Length |
17.07M
|
Controls for ore emplacement
- Fault Zone Containing Vein
Comments on the geologic information
- SMALL DIKE IN GRAYWACKE OFFSET 4 FT. BY FAULT.