Nigu Bluff

Occurrence in Alaska, United States with commodities Barium-Barite, Chromium, Zinc
Sections on this page
  1. Identification information
  2. Geographic coordinates
  3. Site location context
  4. Geographic areas
  5. Public Land Survey System information
  6. Commodities
  7. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Mineral rights holdings
  11. Land status
  12. Links to other databases
  13. Bibliographic references
  14. General comments
  15. Reporter information

Geologic information

Identification information

Deposit ID 10112343
MAS/MILS ID 0020200017
Record type Site
Current site name Nigu Bluff

Geographic coordinates

Point of reference Ore Body
Geographic coordinates: -156.39036, 68.49149 (WGS84)
Elevation 520
Location accuracy 100(meters)

Site location context

Political divisions (FIPS codes)

North Slope(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Howard Pass B-1(quadrangle 1:63,360 scale)

Howard Pass SE(quadrangle 1:100,000 scale)

Howard Pass(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Colville River(hydrologic unit)

Colville River(hydrologic accounting unit)

Arctic Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

National Petroleum Reserve - Alaska(National Petroleum Reserve)

National Petroleum Reserve BLM(Type of land area)

BLM(Federal land areas administered by BLM)

Geographic areas

Country State
United States Alaska

Public Land Survey System information

Meridian Township Range Section Fraction State
Umiat 012 S 019 W 17 NWSENE Alaska

Commodities

Commodity Importance
Barium-Barite Critical Primary
Chromium Critical Tertiary
Zinc Critical Tertiary

Nearby scientific data

Ore Body (1) -156.39036, 68.49149

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Both
Significant No
Discovery year 1977

Mining district

District name Colville Mining District

Mineral rights holdings

Type of mineral rights Unknown
Type of mineral rights Minerals Only

Land status

Ownership category BLM Administrative Area

Comments on the ownership information

  • NATIONAL PETROLEUM RESERVE - ALASKA.

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit UNDERLAIN BY DEVONIAN TO CRETACEOUS SEDIMENTARY ROCKS W/ MAFIC INTRUSIONS TIGHTLY FOLDED & OVERTHRUST TO THE NORTH. STRATIGRAPHIC SECTION INCLUDES FINE-GRAINED CLASTIC ROCKS & CHERTS OF THE SIKSIKPUK FORMATION & A MAFIC SILL (OF 26-81) A BUREAU SAMPLE, TAKEN IN 1978, OF A HIGHLY MAGNETIC MAFIC ROCK CONTAINED 2,000 PPM BA, 250 PPM CR, & 95 PPM ZN (BM OF 26-81).

Reporter information

Type Date Name Affiliation Comment
Reporter 17-JAN-1991 Mpm U.S. Bureau of Mines

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.