Imelyak River

The Imelyak River is a barium-barite, copper, lead, and zinc mine located in Alaska.

About the MRDS Data:

All mine locations were obtained from the USGS Mineral Resources Data System. The locations and other information in this database have not been verified for accuracy. It should be assumed that all mines are on private property.

Mine Info

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Site Name

Primary: Imelyak River

Commodity

Primary: Barium-Barite
Primary: Copper
Primary: Lead
Primary: Zinc

Location

State: Alaska
District: Noatak

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Occurrence
Operation Type: Unknown
Years of Production:
Organization:
Significant:

Physiography

Not available

Mineral Deposit Model

Model Name: Polymetallic replacement

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Azurite
Ore: Barite
Ore: Galena
Ore: Malachite
Ore: Sphalerite

Comments

Comment (Reference): Primary Reference = Mayfield and Grybeck, 1978

Comment (Deposit): Other Comments = Located on land within the Noatak National Preserve.

Comment (Geology): Geologic Description = Sphalerite and galena in shear zone less than 3 ft. (1 m) wide in limestone; and malachite, azurite, and barite vein less than 6 ft. (2 m) wide cutting limestone. Occurrence may be related to other sedimentary rock-hosted mineral occurrences in the Brooks Range; see for example Schmidt (1997, p.35-65) and Schmidt and Werdon (1993, p. 143).

Comment (Deposit): Model Name = Polymetallic vein? (see Schmidt and Werdon, 1993, p. 143)

Comment (Exploration): Status = Inactive

References

Reference (Deposit): Mayfield, C.F. and Grybeck, D., 1978, Mineral occurrences and resource map of the Ambler river quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-120I, 1 sheet, scale 1:250,000.

Reference (Deposit): Schmidt, J.M., 1997, Shale-hosted Zn-Pb-Ag and barite deposits of Alaska, in Goldfarb, R.J., and Miller, L.D., eds., Mineral Deposits of Alaska, 1997: Economic Geology Monograph 9, p. 35-65.

Reference (Deposit): Schmidt, J.M., and Werdon, M.B., 1993, Clastic-hosted stratiform, vein/breccia and disseminated Zn-Pb-Ag deposits of the northwestern Brooks Range, Alaska; are they different expersions of dewatering of the same source basin? [abs.]: Geological Society of America, Abstracts with Programs, v. 24, p. 143.

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