Bibban

The Bibban is a copper 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: Bibban
Secondary: Bibbon

Commodity

Primary: Copper

Location

State: Alaska
District: Chandalar

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: Skarn Zn-Pb

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Name: Limestone
Role: Host
Age Type: Host Rock Unit
Age Young: Late Devonian

Analytical Data

Not available

Materials

Ore: Chalcopyrite
Ore: Malachite
Ore: Pyrite
Ore: Pyrrhotite
Gangue: Quartz

Comments

Comment (Deposit): Model Name = Zn-Pb skarn deposits(?) (Cox and Singer, 1986; model 18c)

Comment (Exploration): Status = Inactive

Comment (Reference): Primary Reference = DeYoung, 1978

Comment (Workings): Workings / Exploration = Claims were staked in 1972 and 1976.

Comment (Geology): Age = Devonian based on reported Early Devonian Pb/Pb zircon ages from the associated Baby Creek batholith and Horace Mountain plutons (Dillon and others, 1996).

Comment (Deposit): Other Comments = Alaska Kardex No. 031-61B (Kardex is a card file mining claim information system located at the State of Alaska DNR Public Information Center in Fairbanks).

Comment (Geology): Geologic Description = The limited information about this prospect describes it as malachite and chalcopyrite in quartz veinlets in the Silurian and Devonian Skajit Limestone near its contact with the Upper Devonian Hunt Fork Shale (Grybeck, 1977; Brosgi and Reiser, 1964). The prospect is close to the Bob (CH089) and Gayle (CH091) prospects, which Newberry and others (1997) classified as calcic Zn-Pb skarns and replacement bodies. The location, mineralogy, and geologic setting of the Bibban prospect suggest that it may be related to these Zn-Pb skarns or to Cu-Ag skarns that are also in the area.

References

Reference (Deposit): Grybeck, D.J., 1977, Known mineral deposits of the Brooks Range, Alaska: US Geological Survey Open-File Report 77-166C, 41 p., 1 sheet, scale 1:1,000,000.

Reference (Deposit): DeYoung, J.H., Jr., 1978, Mineral resources map of the Chandalar quadrangle, Alaska: U.S. Geological Survey Miscellaneous Field Studies Map MF-878-B, 2 sheets, 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.

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