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  3. Mineral Resource Data System (MRDS)

Porcupine Lake

Occurrence in Alaska, United States with commodity Fluorine-Fluorite
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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. Nearby scientific data
  8. Economic information about the deposit and operations
  9. Mining district
  10. Links to other databases
  11. Bibliographic references
  12. Reporter information

Geologic information

Identification information

Deposit ID 10003284
MRDS ID A106027
Record type Site
Current site name Porcupine Lake

Geographic coordinates

Geographic coordinates: -146.47342, 68.81981 (WGS84)
Relative position Location plotted is locality 14 of Barker (1978, p. 14) and cited by Cobb and others (1981, p. A4); north side of Porcupine Lake, in headwaters area of Marsh Fork of Canning River; within one mile (1.6 km).

Site location context

Political divisions (FIPS codes)

North Slope(Borough)

Alaska(state)

United States(country)

North America(continent)

Land(continent)

USGS map quadrangles

Arctic D-5(quadrangle 1:63,360 scale)

Arctic NW(quadrangle 1:100,000 scale)

Arctic(quadrangle 1:250,000 scale)

Hydrologic units (watersheds)

Sagavanirktok River(hydrologic unit)

Prudhoe Bay(hydrologic accounting unit)

Arctic Alaska(hydrologic subregion)

Alaska(hydrologic region)

Federal lands

Arctic National Wildlife Refuge(National Wildlife Refuge)

National Wildlife Refuge FWS(Type of land area)

FWS(Federal land areas administered by FWS)

Geographic areas

Country State
United States Alaska

Commodities

Commodity Importance
Fluorine-Fluorite Critical Primary

Materials information

Materials Type of material
Fluorite Ore

Nearby scientific data

(1) -146.47342, 68.81981
ListMap

Economic information

Comments on the geologic information

  • Geologic Description = Fluorite cobbles and small boulders; generally purple. Host rock is carbonaceous, argillaceous chert.

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Canning

Comments on the workings information

  • Workings / Exploration = Two samples contain 21% and 34% CaF2, and one contained a trace of Pb (Barker, 1978, p. 20, loc. 14).

Reference information

Bibliographic references

  • Deposit

    Barker, J.C., 1978, Mineral Investigations of certain lands in the eastern Brooks Range: a summary report: US Bureau of Mines Open-File No. 63-78

  • Deposit

    Cobb, E.H., Mayfield, C.F., and Brosge, W.P., 1981, Summaries of data on and lists of references to metallic and selected nonmetallic mineral occurrences in eleven quadrangles in northern Alaska (Arctic, Baird Mountains, Chandler Lake, DeLong Mountains, Demarcation Point, Howard Pass, Misheguk Mountain, Mount Michelson, Noatak, Point Lay, and Table Mountain); Supplement to Open-File Report 75-628; Part A, Summaries of data to January 1, 1981: U.S. Geological Survey Open-File Report 81-767-A, 25 p.

Comments on the references

  • Primary Reference = Cobb and others (1981)

Reporter information

Type Date Name Affiliation Comment
Reporter 14-OCT-1992 J.M. Schmidt 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.