Foster & Macumber

The Foster & Macumber is a mine located in Alaska at an elevation of 1,424 feet.

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

Satelite View

MRDS mine locations are often very general, and in some cases are incorrect. Some mine remains have been covered or removed by modern industrial activity or by development of things like housing. The satellite view offers a quick glimpse as to whether the MRDS location corresponds to visible mine remains.

Site Name

Primary: Foster & Macumber
Secondary: Gossan 1-4
Secondary: Benson
Secondary: Poppy
Secondary: Darby
Secondary: Jim
Secondary: Lode Claims 1-8
Secondary: Foster
Secondary: Would Bee
Secondary: Dry
Secondary: Bandy
Secondary: No. 2 Darby

Commodity

Tertiary: Tin
Tertiary: Silver
Tertiary: Uranium
Tertiary: Antimony
Tertiary: Gold

Location

State: Alaska

Land Status

Not available

Holdings

Type: Located Claim

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Prospect
Operation Type: Unknown
Mining Method: Unknown
Years of Production:
Organization:
Significant: N
Deposit Size: S

Physiography

Not available

Mineral Deposit Model

Not available

Orebody

Not available

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Comment (Deposit): TRENCHING, DRILLING, CORING, GEOCHEMISTRY, PETROGRAPHY. PALEOZOIC OR PREPALEOZOIC METASEDIMENT FORMING A N.-PITCHING ANTICLINE. FOSTER PROSPECT IS ON AXIS OF FOLD. STRATA ARE PRINCIPALLY THINLY INTERBEDDED QUARTZOSE SCHISTS WITH MAJOR PORTION PARTIALLY DOLOTOMIZED MARBLE. PROSPECT IS FORMED OF A ZONALLY ARRANGED PB-AG-BEARING GOSSAN. THE GOSSAN IS PRIMARILY LIMONITE AND GOETHITE WITH SOME CERUSSITE AND LESS ANGELESITE. PRINCIPAL PB MINERALIZATION IS GALENA NODULES <1 IN. TO 2 FT IN DIAMETER. POSSIBLE RESIDUAL CONCENTRATION OF GALENA. DEPOSITION PROBABLY DUE TO SOLUTION ENTERING FRACTURES ON FOLD AXIS WITH IRREGULAR REPLACEMENT OF MARBLE. SILVER CONTENT APPEARS TO INCREASE WITH DEPTH (RI6018). ADDITIONAL DEPOSIT NAMES: DRY, JIM, LODE CLAIMS 1-8.

References

Reference (Ownership): ALASKA KARDEX 044-006

Reference (Deposit): PE44-1

Reference (Deposit): RI6018 pp. 1-2, 7, 10, 12, 14-17, 25-41

Reference (Deposit): GR11 pp. 4-5

Reference (Deposit): B1246 p. 109

Reference (Deposit): MF417

Reference (Deposit): OF75-429

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