Competition Creek

The Competition Creek is a zinc and lead 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: Competition Creek
Secondary: Rowdy

Commodity

Primary: Zinc
Primary: Lead
Secondary: Barium-Barite

Location

State: Alaska
District: Lisburne

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

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

Physiography

Not available

Mineral Deposit Model

Model Name: Sedimentary exhalative Zn-Pb

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Ore: Sphalerite
Ore: Pyrite
Ore: Marcasite
Ore: Galena
Ore: Barite

Comments

Comment (Reference): Primary Reference = Moore and others, 1986

Comment (Exploration): Status = Inactive

Comment (Geology): Age = Mississippian to Triassic. A potassium argon date indicates that the deposit is Late Mississippian in age.

Comment (Geology): Geologic Description = The Competition Creek prospect is a syngenetic, sedimentary deposit of sulfide disseminations and lenses predominately of pyrite and marcasite, along with some galena and sphalerite. The deposit is in the black shales and cherts of the Kuna Formation (J. Britton, oral communication, 1998). Barite occurs in a shale horizon below the mineralized horizon. In this area, a mafic sill intrudes the Kivalina limestone and shale. The sill is highly propylitized, but appears to have been diorite or gabbro (Moore and others, 1986). The stratigraphic setting at Competition Creek is similar to that at Lik (ARDF number DL005).

Comment (Workings): Workings / Exploration = GCO drilled the property in the early 1980's. The ore is much lower grade than at Lik (ARDF number DL005).

Comment (Deposit): Model Name = Sedimentary exhalative Zn-Pb (Cox and Singer, 1986; model 31a).

References

Reference (Deposit): Moore, D.W., Young, L.E., Modene, J.S., and Plahuta, J.T., 1986, Geologic setting and genesis of the Red Dog zinc-lead deposit, western Brooks Range, Alaska: Economic Geology, v. 81, p. 1696-1727.

Reference (Deposit): Sterne, E.J., Zantop, H. and Reynolds, R.C., 1984, Clay mineralogy and carbon-nitrogen geochemistry of the Lik and Competition Creek zinc-lead-silver prospects, DeLong Mountains, Alaska: Economic Geology, v. 79, p. 1406-1411.

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