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Unnamed Near Porterfield Creek

Unknown in Alaska, United States with commodity Tin
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Geologic information

Identification information

Deposit ID 10003655
MRDS ID A106424
Record type Site
Current site name Unnamed Near Porterfield Creek

Geographic coordinates

Geographic coordinates: -132.08767, 56.51864 (WGS84)
Relative position SEE LOCATION COMMENTS
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Geographic areas

Country State
United States Alaska

Comments on the location information

  • SIXTEEN PLACER CLAIMS KNOWN ONLY GENERALLY TO BE ALONG PORTERFIELD IN SECTIONS 1, 2 AND 11, T. 62 S., R. 85 E. COORDINATES ARE APPROXIMATELY THE CENTER OF THE CLAIM BLOCK (U.S. BUREAU OF MINES, 1980).

Commodities

Commodity Importance
Tin Primary

Mineral occurrence model information

Model code 123
USGS model code 39e
BC deposit profile C01. C02
Deposit model name Alluvial placer Sn

Nearby scientific data

(1) -132.08767, 56.51864
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Ore body information

  • General form SEE DEPOSIT DESCRIPTION COMMENTS

Economic information

Economic information about the deposit and operations

Commodity type Metallic
Significant No

Mining district

District name Petersburg

Comments on the production information

  • PROBABLY NONE

Comments on the workings information

  • SIXTEEN PLACER CLAIMS STAKED FOR SN; ACTIVE FROM 1965 TO 1967 BUT APPARENTLY NOT SINCE.

Reference information

Links to other databases

Agency Database name Acronym Record ID Notes
USGS Mineral Resources Data System MRDS A106424
USGS Alaska Resource Data File ARDF PE039

Bibliographic references

  • Deposit

    U.S. Bureau of Mines, 1980, Claim map, Petersburg quadrangle, Alaska: U.S. Bureau of Mines Map No. 117, 1 sheet, scale 1:250,000.

  • Deposit

    Grybeck, D. J., Berg, H. C., and Karl, S. M., 1984, Map and description of the mineral deposits in the Petersburg and eastern Port Alexander quadrangles: U.S. Geological Survey Open-File Report 84-837, 86 p., 1 sheet, scale 1:250,000.

General comments

Subject category Comment text
Deposit SIXTEEN PLACER CLAIMS STAKED FOR SN; ACTIVE FROM 1965 TO 1967 BUT APPARENTLY NOT SINCE (U.S. BUREAU OF MINES, 1980). NOTE THAT A VIABLE SOURCE FOR PLACER TIN HAS BEEN DOCUMENTED IN THE AG-SN-PB-ZN LAYERED SKARN DEPOSIT IN UPPER GROUNDHOG BASIN (PE040).

Reporter information

Type Date Name Affiliation Comment
Reporter 01-NOV-1998 Berg, H. C. (Grybeck, D. J.) U.S. Geological Survey