Skimo Creek West

Occurrence in Alaska, United States with commodities Phosphorus-Phosphates, Vanadium

Geologic information

Identification information

Deposit ID 10003324
MRDS ID A106068
Record type Site
Current site name Skimo Creek West

Geographic coordinates

Geographic coordinates: -152.0035, 68.29968 (WGS84)
Relative position Located along east side of western tributary to Skimo Creek, 3 km above junction. Known to within one mile.
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Geographic areas

Country State
United States Alaska


Commodity Importance
Phosphorus-Phosphates Primary
Vanadium Secondary

Materials information

Materials Type of material
Fluorapatite Ore

Mineral occurrence model information

Model code 243
USGS model code 34c
BC deposit profile F07
Deposit model name Phosphate, upwelling type

Nearby scientific data

(1) -152.0035, 68.29968

Comments on the geologic information

  • Geologic Description = Phosphatic rocks are confined to the middle and upper parts of the black chert and shale member of the Alapah Limestone. Phosphate occurs in a section of interbedded oolitic shales and pisolitic phosphorites containing oblate pellets. The phosphatic rocks continue for a minimum of 4.2 km along strike.
  • Age = Mississippian

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Non-metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Colville

Comments on the workings information

  • Workings / Exploration = One 2.2 m-thick zone averaged 20.6% P2O5 and a 0.9 m-thick zone averaged 13.0% P2O5. Samples also contained up to 874 ppm V.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A106068
USGS Alaska Resource Data File ARDF CL013

Bibliographic references

  • Deposit

    Patton, W.W., Jr., and Tailleur, I.L., 1964, Geology of the upper Killik-Itkillik region, Alaska: U.S. Geological Survey Professional Paper 303-G, p. 409-499.

  • Deposit

    Meyer, M.P., 1994, Analytical results from U.S. Bureau of Mines investigations in the Colville Mining District, Alaska: U.S. Bureau of Mines Open-File Report 34-94, 137 p.

  • Deposit

    Kurtak, J.M., Hicks, R.W., Werdon, M.B., Meyer, M.P., and Mull, C.G., 1995, Mineral investigations in the Colville mining district and southern National Petroleum Reserve in Alaska: U.S. Bureau of Mines Open-File Report 8-95, 217 p.

Comments on the references

  • Primary Reference = Kurtak and others, 1995, USBM OFR 8-95

General comments

Subject category Comment text
Deposit Model Name = Bedded phosphorite

Reporter information

Type Date Name Affiliation Comment
Reporter 07-FEB-1997 K.D. Kelley U.S. Geological Survey