Geologic information
Identification information
Deposit ID |
10107519 |
MRDS ID |
A011946 |
Record type |
Site |
Current site name |
Archibald Gulch Placer |
Geographic coordinates
Geographic coordinates:
|
-150.22306, 67.48302 (WGS84)
|
Relative position |
TRIBUTARY TO NOLAN CREEK. |
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Geographic areas
Country |
State |
United States |
Alaska |
Comments on the location information
- LOCATION GIVEN IS CONFLUENCE OF ARCHIBALD GULCH AND NOLAN CREEK; RECENT MINING HAS CONCENTRATED ON BENCHES AT MOUTH OF ARCHIBALD GULCH 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 |
Analytical data
Result |
AVG. FINENESS: 904-90 |
Host and associated rocks
Host or associated |
Host |
Rock type |
Unconsolidated Deposit
> Gravel |
Comments on the geologic information
- GRAVELS IN BOTH THE MODERN STREAM AND OLD CHANNEL DEPOSITS ARE COARSE AND SUBANGULAR; NUMEROUS BOULDERS IN STREAM GRAVELS; BOULDERS RARE IN CHANNEL DEPOSIT ; MAJOR.UNITS: SCHIST BEDROCK