Disappointment Creek Gold-Platinum Placer Mine

The Disappointment Creek Gold-Platinum Placer Mine is a gold mine located in Alaska at an elevation of 226 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: Disappointment Creek Gold-Platinum Placer Mine
Secondary: Wilson Creek

Commodity

Primary: Gold
Secondary: PGE

Location

State: Alaska

Land Status

Not available

Holdings

Not available

Workings

Not available

Ownership

Not available

Production

Not available

Deposit

Record Type: Site
Operation Category: Past Producer
Operation Type: Unknown
Year First Production: 1914
Year Last Production: 1939
Discovery Year: 1913
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: Slate
Role: Host
Age Type: Host Rock
Age Young: Holocene

Analytical Data

Analytical Data: $1.29/CY AU IN 1922 (0.0624 OZ/CY AU)-USGS OF 77-156, P. 68

Materials

Gangue: Magnetite
Gangue: Gold
Gangue: Platinum

Comments

Comment (Location): USGS MF-444, LOC. 8. LOCATION IS AT JUNCTION OF DISAPPOINTMENT AND WILSON CREEKS. PLACER EXTENDS UP DISAPPOINTMENT CREEK UNKNOWN DISTANCE, WITH MOST MINING AT MOUTH. LAND STATUS VALUE CALCULATED 6-94 USING GIS OVERLAY ANALYSIS WITH BLM 1:2,500,000 SCALE OWNERSHIP STATUS MAP (1991).

Comment (Commodity): A FEW GRAINS OF PLATINUM FOUND IN CONCENTRATES.

Comment (Deposit): WORKINGS CONFINED TO MOUTH OF DISAPPOINTMENT CREEK, WITH MAXIMUM WIDTH OF 300 FT.. GRAVELS CONTAINING GOLD IN ECONOMIC QUANTITIES WERE IRREGULARLY DISTRIBUTED. DEPOSITS NOT OVER 10-12 FT. DEEP TO BEDROCK, EXCEPT AT MOUTH OF CREEK, WHERE HOLES SUNK 35 FT. DEEP FAILED TO REACH BEDROCK. UPPER PORTION COMPOSED OF 2-3 FT. OF SOIL AND VEGETABLE MATTER. LOWER STRATUM OF GRAVEL CONTAINS GOLD. GRAVELS MOSTLY SMALL AND WELL-ROUNDED PEBBLES UP TO 8 IN. DIAMETER COBBLES.

Comment (Workings): OPEN CUTS USED. HOLES SUNK 35 FT. DEEP FAILED TO REACH BEDROCK, BUT ABANDONED BECAUSE OF FLOODING. ALL WORKINGS AT MOUTH OF DISAPPOINTMENT CREEK.

Comment (Development): DISCOVERED IN 1913, PRODUCTION BEGAN 1914, MINING BY OPEN CUT METHODS WITH GROUND SLUICING AT MOUTH OF DISAPPOINTMENT CREEK. MINING CONTINUED UNTIL WORLD WAR II (LAST MENTION IS 1939).

Comment (Deposit): STREAM GRADIENT 150 FT/MI.. ALTHOUGH GOLD WAS PRESENT, NO MINING WAS CONDUCTED ON WILSON CREEK GRAVELS BEYOND MOUTH OF DISAPPOINTMENT CREEK. ; INFO.SRC : 1 PUB LIT

Comment (Geology): MAJOR.UNITS: BEDROCK CONSISTS OF MESEZOIC-PALEOZOIC SLATE AND CONGLOMERATE OF GEMUK GROUP, WITH TERTIARY GRANITIC INTRUSIONS. ; REG.COM: SOURCE OF PLACER GOLD UNKNOWN, POSSIBLY FROM GRANITIC INTRUSIONS NEAR HEAD OF CREEK. PLATINUM PROBABLY DERIVED FROM GREENSTONE.

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

References

Reference (Deposit): USGS MF-444, LOC. 8 (1972)

Reference (Deposit): USGS B 683, P. 57, 59-60 (1918)

Reference (Deposit): USGS OF 77-156, P. 68 (1977)

Reference (Deposit): USGS I-292 (1959)

Reference (Other Database): BAG-MF-444-8

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