Boulder Creek Occurrence

Occurrence in Alaska, United States with commodity Chromium
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. Mining district
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10002731
MRDS ID A015180
Record type Site
Current site name Boulder Creek Occurrence
Related records 10232965

Geographic coordinates

Geographic coordinates: -151.08029, 65.13238 (WGS84)
Location accuracy 1000(meters)

Site location context

Political divisions (FIPS codes)

Yukon-Koyukuk(Census area)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Tanana A-3(quadrangle 1:63,360 scale)

Tanana SE(quadrangle 1:100,000 scale)

Tanana C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Alaska(hydrologic region)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-371, LOC. 4. DEPOSIT ON RIDGE SOUTH OF BOULDER CR. NEAR INTERSECTION OF TRACTOR TRAILS MARKED ON TANANA (A-3). LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Chromium Critical Tertiary

Materials information

Materials Type of material
Chromite Ore

Host and associated rocks

  • Host or associated Host
    Rock type Metamorphic Rock > Serpentinite

Nearby scientific data

(1) -151.08029, 65.13238

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No

Mining district

District name Hot Springs

Land status

Ownership category State

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SERPENTINIZED ULTRAMATIC ROCK CONTAINS DISSEMINATED GRAINS OF CHROMITE; PIECES OF CHROMITE IN FLOAT ARE AS MUCH AS 6 INCHES IN DIAMETER.
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-MAY-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.

Authoritative Alaska resources

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