Ivotuk Hills

Occurrence in Alaska, United States with commodity Zinc

Geologic information

Identification information

Deposit ID 10003388
MRDS ID A106144
Record type Site
Current site name Ivotuk Hills

Geographic coordinates

Geographic coordinates: -155.70358, 68.0896 (WGS84)
Relative position Located on southwest side of the Ivotuk Hills in Otuk Creek. Known to within one mile.
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Geographic areas

Country State
United States Alaska


Commodity Importance
Zinc Primary

Materials information

Materials Type of material
Pyrite Ore
Sphalerite Ore

Nearby scientific data

(1) -155.70358, 68.0896

Comments on the geologic information

  • Geologic Description = Pyrite nodules up to 10 cm in diameter with cores of sphalerite occur as float in stream. Outcrops south of the Ivotuk Hills near this site consist of shale and chert of Permian to Jurassic age.

Economic information

Economic information about the deposit and operations

Development status Occurrence
Commodity type Metallic

Comments on exploration

  • Status = Inactive

Mining district

District name Colville

Comments on the workings information

  • Workings / Exploration = Sphalerite-bearing concretions contain up to 200 ppm As, more than 20 % Fe, and 500 ppm Zn.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A106144
USGS Alaska Resource Data File ARDF KL010

Bibliographic references

  • Deposit

    Kelley, K.D., and Mull, C.G., 1995, Maps showing areas of potential for mineral resources in the Killik River quadrangle, Brooks Range, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-2225-A, scale 1:250,000.

  • Deposit

    Kelley, K.D., and Mull, C.G., 1995, Maps showing the distribution of selected elements in minus-100-mesh and minus-80-mesh sediment samples from the Killik River quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies MF-2225-B, scale 1:250,000.

Comments on the references

  • Primary Reference = Kelley and Mull, 1995, MF-2225-A;

General comments

Subject category Comment text
Deposit Model Name = Sediment-hosted Pb-Zn

Reporter information

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