Surprise Creek Placer

The Surprise Creek Placer is a gold 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

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: Surprise Creek Placer
Secondary: Summit Creek

Commodity

Primary: Gold

Location

State: Alaska
District: Koyukuk

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: 1904
Discovery Year: 1904
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

Analytical Data: AVERAGE FINENESS: 920

Materials

Not available

Comments

Comment (Workings): GRAVEL THAWED

Comment (Location): SURPRISE CREEK WAS MINED IN SEVERAL LOCATIONS ALONG THE SECTION OF STREAM EXTENDING 1 MI UPSTREAM OF THE LOCATION GIVEN

Comment (Development): SPORADIC SMALL-SCALE MINING 1904-1937; ACTIVE CLAIMS AS RECENTLY AA 1973 AND 1977

Comment (Deposit): PLACER GOLD ON OR NEAR BEDROCK, AND IN LOWER 3 FT OF STREAM GRAVELS

Comment (Geology): COARSE, ANGULAR GRAVEL WITH LARGE SLABS OF SCHIST AND ERRATIC BOULDERS OF "ARCTIC CONGLOMERATE" AND BLACK CHERT ; MAJOR.UNITS: BEDROCK IS GREENSTONE SCHIST WITH NUMEROUS QUARTZ VEINS, GRAPHITIC SCHIST, QUARTZITE SCHIST AND MICACEOUS SCHIST

Comment (Deposit): AVERAGE GRADE: 13.3%; SEE ALSO: SPRING CREEK ; INFO.SRC : 1 PUB LIT; 2 UNPUB REPT

References

Reference (Deposit): USGS BULL 836, P. 39-40

Reference (Deposit): REED, IRVING MCK. 1938, UPPER KOYUKUK REGION, ALASKA: UNPUB. TDM REPORT, P. 116-119

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