1. Mineral Resources
  2. Online Spatial Data
  3. Mineral Resource Data System (MRDS)

Unnamed Occurrence

Occurrence in Alaska, United States with commodities Copper, Silver
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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. 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 10001215
MRDS ID A011928
Record type Site
Current site name Unnamed Occurrence

Geographic coordinates

Geographic coordinates: -154.99708, 67.46126 (WGS84)
Location accuracy 1000(meters)
Relative position Within 2500 Ft Radious

Site location context

Political divisions (FIPS codes)

Northwest Arctic(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Survey Pass B-4(quadrangle 1:63,360 scale)

Survey Pass S(quadrangle 1:100,000 scale)

Survey Pass C(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Upper Noatak River(hydrologic unit)

Noatak River-Lisburne Peninsula(hydrologic accounting unit)

Northwest(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Gates of the Arctic National Park(National Park)

National Park NPS(Type of land area)

NPS(Federal land areas administered by NPS)

Geographic areas

Country State
United States Alaska

Comments on the location information

  • USGS MF-1176-F, LOC. 16 LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Commodities

Commodity Importance
Copper Primary
Silver Primary

Materials information

Materials Type of material
Chalcopyrite Ore
Magnetite Gangue
Quartz Gangue

Analytical data

Result 1.5 PPM AG IN ONE GRAB SAMPLE

Host and associated rocks

  • Host or associated Associated
    Rock type Metamorphic Rock > Gneiss
    Rock unit name Mt. Igikpak Pluton
    Rock description Mt. Igikpak Pluton
    Stratigraphic age (youngest) Late Devonian
    Stratigraphic age (youngest) Late Devonian
  • Host or associated Host
    Rock type Metamorphic Rock > Phyllite

Nearby scientific data

(1) -154.99708, 67.46126
ListMap

Economic information

Comments on the geologic information

  • HOST ROCK DESCRIBED AS PHYLLITE AND LIMESTONE, JUST ABOVE CONTACT WITH GRANITE; AREA IS MAPPED (USGS MF-1176-A) AS LOW TO MEDIUM-GRADE SCHIST, MARBLE AND PARAGNEISS

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic
Deposit size Small
Significant No
Discovery year 1977

Mining district

District name Noatak

Land status

Ownership category National Park

Comments on development

  • DISCOVERED BY USGS PERSONNEL DURING RECONNAISSANCE FOR ALASKA MINERAL RESOURCE ASSESSMENT PROGRAM

Reference information

Bibliographic references

General comments

Subject category Comment text
Deposit SEE ALSO: UNNAMED OCCURRENCE AT LAT 67 26 54N, LONG 155 02 56W ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT
Deposit SAMPLES OF QUARTZ VEINS AND GOSSANS SHOW SPARSE MAGNETITE AND CHALCOPYRITE

Reporter information

Type Date Name Affiliation Comment
Reporter 01-FEB-86 Leonard, Kenneth R. (Elliott, R. L.) U.S. Geological Survey
Editor 14-APR-94 Mosier, Dan 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.