Fox Gulch Platinum Placer

The Fox Gulch Platinum Placer is a pge 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: Fox Gulch Platinum Placer
Secondary: Claims: 1a
Secondary: Discovery

Commodity

Primary: PGE
Secondary: Gold
Tertiary: Chromium

Location

State: Alaska
District: Goodnews Bay

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Producer
Operation Type: Unknown
Year First Production: 1927
Discovery Year: 1926
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

Name: Peridotite
Role: Host
Age Type: Host Rock
Age Young: Holocene

Analytical Data

Not available

Materials

Gangue: Gold
Gangue: Ilmenite
Unknown: Chromite

Comments

Comment (Deposit): THIS SITE NAME WAS CREATED BY THE REPORTER OR OTHER USGS EMPLOYEE BASED ON PROXIMITY TO SOME MAJOR GEOGRAPHIC FEATURE.

Comment (Deposit): STREAM GRADIENT IS 625 FT/MI. TRIBUTARY OF PLATINUM CREEK. SINCE PLATINUM METALS DO NOT OCCUR IN PLATINUM CREEK ABOVE FOX GULCH, SO FOX GULCH CAN BE SAID TO CONSTITUTE HEADWATER OF PLATINUM CREEK PAYSTREAK. FIRST PLATINUM DISCOVERY IN GOODNEWS BAY DISTRICT. ; INFO.SRC : 1 PUB LIT

Comment (Location): USGS MF-362, LOC. 12 (APPROXIMATE LOCATION). LOCATION IS AT MOUTH OF FOX GULCH ON PLATINUM CREEK. PLACER EXTENDS 0.8 MI. UPSTREAM TO HEAD OF FOX GULCH. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Comment (Development): TWO PLACER CLAIMS. WORKED BY SMALL-SCALE METHODS FROM 1927-34. WORKED BY GOODNEWS BAY MINING CO. FROM 1934-41 WITH DRAGLINE EXCAVATOR. POSSIBLY WORKED BY DRAGLINE EXCAVATOR FROM 1968 ONWARD.

Comment (Deposit): PLACER DEPOSIT CONSISTS OF LARGE, SUBANGULAR GRAVELS AVERAGING 8-12 IN. IN DIAMETER, MADE UP OF ULTRABASIC ROCKS. PLATINUM METALS OCCUR MAINLY ON SURFACE AND IN CREVICES ON BEDROCK, BUT ALSO WITHIN LOWER 2-3 FT. OF GRAVELS. UPPER 1/2-2/3 OF ALLUVIUM IS REMOVED AND DUMPED ASIDE DURING MINING. LENGTH OF PAYSTREAK IS 2,600 FT., AVERAGE WIDTH IS 75 FT.. DEPTH OF OVERBURDEN NOT RECORDED. BOULDERS UP TO 3 FT. DIA. ALSO PRESENT.

Comment (Workings): OPEN CUTS MADE BY DRAGLINE.

Comment (Geology): BOULDERS UP TO 3 FT. IN DIA. ALSO PRESENT. ; MAJOR.UNITS: BEDROCK CONSISTS OF ULTRAMAFIC ROCKS OF THE TERT-MES GOODNEWS BAY ULTRAMAFIC COMPLEX. ; REG.COM: SOURCE OF PLATINUM METALS IS ULTRAMAFIC ROCKS OF GOODNEWS BAY ULTRAMAFIC COMPLEX AT HEAD OF FOX GULCH ON RED MTN.

Comment (Commodity): PGM OFTEN FOUND INTERGROWN WITH CHROMITE

References

Reference (Deposit): USGS MF-362, LOC. 12 (1972)

Reference (Deposit): USGS P 938 P. 4, 5, 23-24 (1976)

Reference (Deposit): USGS OF 80-909, P. 19 (1980)

Reference (Deposit): USGS B 918, P. 57-62 (1940)

Reference (Deposit): USBM OFR 51-86, P. 2, 6-7 (1986)

Reference (Other Database): BAG-MF-362-12

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