Crooked Creek Placer

Past Producer in Alaska, United States with commodities Gold, Silver, Lead

Geologic information

Identification information

Deposit ID 10101010
MRDS ID A015132
Record type Site
Current site name Crooked Creek Placer
Related records 10185726

Geographic coordinates

Geographic coordinates: -141.66248, 64.92978 (WGS84)
Relative position 16 MILES NW OF EAGLE
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-393, LOC. 29. ABOUT 5 MILES EAST OF SEVENTYMILE RIVER FALLS. DEPOSIT ADJACENT TO VILLAGE AND LANDING STRIP MARKED CROOKED CREEK ON EAGLE (D-2). 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
Lead Tertiary

Comments on the commodity information

  • PUREST GOLD IN SEVENTYMILE RIVER REGION.

Materials information

Materials Type of material
Gold Ore
Galena Unknown
Silver Unknown

Analytical data

Result FINENESS OF 20 ASSAYS AVERAGED 902 PARTS AU AND 92 PARTS AG. SEE REF. 3, P. 254.

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -141.66248, 64.92978

Geologic structures

Type of structure Regional
Structure description Tintina Fault

Ore body information

  • Thickness 2.44M
    Width 82.3M

Comments on the geologic information

  • SEVENTY MILE RIVER FOLLOWS TRACE OF TINTINA FAULT IN EAGLE (D-2). ; MAJOR.UNITS: BEDROCK IS TERTIARY CONGLOMERATE, SANDSTONE, AND SHALE. ; REG.COM: GOLD BELIEVED TO HAVE BEEN RECONCENTRATED FROM CONGLOMERATES.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Eagle

Comments on development

  • MINED MAINLY BY HYDRAULIC METHODS 1909-40.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015132

Bibliographic references

  • Deposit

    USGS MF-393 (D-2), LOC. 29.

  • Deposit

    USGS BULL. 897-C, P. 191, 196-98.

  • Deposit

    USGS BULL. 917-D, P. 254.

  • Other Database

    BAG-MF-393-29

General comments

Subject category Comment text
Deposit GOLD IN ALL PARTS OF GRAVEL ALONG LOWER 2 MILES OF CREEK. GRAVEL 5-8 FT THICK OVERLAIN BY 3-4 FT OF MUCK. SOME SMALL SILVER NUGGETS RECOVERED WITH GOLD.
Deposit STREAM GRADIENT 100-150 FEET PER MILE. ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Reporter information

Type Date Name Affiliation Comment
Reporter 01-APR-1987 Powers, M.T. (Huber, D.F.) U.S. Geological Survey