Geologic information
Identification information
Deposit ID |
10002355 |
MRDS ID |
A013273 |
Record type |
Site |
Current site name |
Gold Reef No. 1 Gold Prospect |
Alternate or previous names |
Smith Prospects: Gold Reef No. 1 Claim |
Geographic coordinates
Geographic coordinates:
|
-136.11396, 57.65888 (WGS84)
|
Elevation |
66 |
Relative position |
0.7 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-467, LOC. 32. LOCATION IS 2,700 FT. N 42 DEGREES W FROM JUMBO MINE (SI-36). 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 |
Comments on the commodity information
- NO DATA GIVEN ON METAL CONTENT, BUT BECAUSE OF PROXIMATY TO GOLD PRODUCER, GOLD IS LIKELY PRESENT.
Materials information
Materials |
Type of material |
Gold |
Ore |
Calcite |
Gangue |
Pyrite |
Gangue |
Quartz |
Gangue |
Host and associated rocks
Host or associated |
Host |
Rock type |
Sedimentary Rock
> Clastic Sedimentary Rock
> Siltstone |
Rock unit name |
Graywacke |
Rock description |
Graywacke |
Stratigraphic age (youngest) |
Late Cretaceous |
Stratigraphic age (youngest) |
Late Cretaceous |
|
Controls for ore emplacement