Cox Gulch Placer

Past Producer in Alaska, United States with commodities Gold, Tin

Geologic information

Identification information

Deposit ID 10003013
MRDS ID A015527
Record type Site
Current site name Cox Gulch Placer
Related records 10232998

Geographic coordinates

Geographic coordinates: -155.45312, 64.66339 (WGS84)
Location accuracy 250(meters)
Relative position 5 MILES SSE OF RUBY
(click for info)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-405, LOC 5. DEPOSIT ALONG COX GULCH, AN UNMARKED (ON RUBY (C-5)) SW FLOWING HEADWATER TRIBUTARY OF BIG CREEK; APPROXIMATELY 1.5 MILES NNW OF BOSTON DOME. 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
Tin Primary

Comments on the commodity information

  • EU OF 5 CONCENTRATE SAMPLES WAS .001% TO .006%.

Materials information

Materials Type of material
Cassiterite Ore
Gold Ore

Analytical data

Result YEILD OF GOLD REPORTED TO HAVE BEEN ABOUT .02 OZ. PER FT.2 OF BEDROCK.

Host and associated rocks

  • Host or associated Host
    Rock type Unconsolidated Deposit > Gravel

Nearby scientific data

(1) -155.45312, 64.66339

Comments on the geologic information

  • NO KNOWN GRANITE CONTACT IN VALLEY. ; REG.COM: PLACER PROBABLY CLOSE TO LODE SOURCE.

Economic information

Economic information about the deposit and operations

Development status Past Producer
Commodity type Metallic
Deposit size Small
Significant No
Year of first production 1927

Comments on development

  • MINING REPORTED IN 1927 AND 1929. MINOR WORK CONTINUED INTO THE 1940'S. NO SIGNS OF RECENT ACTIVITY IN 1975-77.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A015527

Bibliographic references

  • Deposit

    USGS MF-405 (C-5), LOC. 5.

  • Deposit

    USGS OF 239, P. 37, 40, 44-46.

  • Deposit

    USGS OF 77-168 D, P. 85.

  • Deposit

    USGS OF 81-170, P. 21

General comments

Subject category Comment text
Deposit GOLD AND CASSITERITE IN STREAM PLACER. GROUND ABOUT 30 FT. DEEP; 15 FT. EACH OF GRAVEL AND MUCK. PAYSTREAK SAID TO BE ABOUT 30 FT. WIDE AND 1,000 FT. LONG.
Deposit STREAM GRADIENT UNKNOWN, A GOOD APPROXIMATION WOULD BE 75-100 FT. 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-JUL-1987 Powers, M.T. (Huber, D.F.) U.S. Geological Survey