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Cox Gulch Placer

Past Producer in Alaska, United States with commodities Gold, Tin
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Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Commodities
  6. Materials information
  7. Host and associated rocks
  8. Nearby scientific data
  9. Economic information about the deposit and operations
  10. Links to other databases
  11. Bibliographic references
  12. General comments
  13. Reporter information

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

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Ruby C-5(quadrangle 1:63,360 scale)

Ruby N(quadrangle 1:100,000 scale)

Ruby(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Federal lands

Dineega Corporation(ANCSA Village)

ANCSA Village NTVPIC(Type of land area)

NTVPIC(Federal land areas administered by NTVPIC)

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 Critical 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
ListMap

Economic information

Comments on the geologic information

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

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

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

Beyond USGS

Supplemental information added by qvyshift.com. Not part of the original USGS MRDS record.

Maps centered on this site

Authoritative Alaska resources

These are landing pages for further research — the state agencies don't currently expose per-mine deep links.