Unnamed Near Porterfield Creek

The Unnamed Near Porterfield Creek is a tin 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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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: Unnamed Near Porterfield Creek

Commodity

Primary: Tin

Location

State: Alaska
District: Petersburg

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

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

Physiography

Not available

Mineral Deposit Model

Model Name: Alluvial placer Sn

Orebody

Form: SEE DEPOSIT DESCRIPTION COMMENTS

Structure

Not available

Alterations

Not available

Rocks

Not available

Analytical Data

Not available

Materials

Not available

Comments

Comment (Location): 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).

Comment (Production): PROBABLY NONE

Comment (Workings): SIXTEEN PLACER CLAIMS STAKED FOR SN; ACTIVE FROM 1965 TO 1967 BUT APPARENTLY NOT SINCE.

Comment (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).

References

Reference (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.

Reference (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.

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