A gold placer 6 miles up the Columbia River from the Grand Coulee Dam. It produced in 1934 and 1938-1939.
Tectonics: Deposition Of Heavy Minerals In River Gravels.

Development: Econ.com: j.h. Collins washed 700-800 cubic yards/day in 1934. Also produced in 1938-1939 (huntting, 1956, p. 184).

Ore(s): Heavy Mineral Concentration By Stream Action.

Select Mineral List Type

Standard Detailed Gallery Strunz Chemical Elements

Commodity List

This is a list of exploitable or exploited mineral commodities recorded at this locality.

ⓘ Gold

Mineral List

ⓘ Native Gold

1 valid mineral.

Detailed Mineral List:

ⓘ Native Gold

Formula: Au

References:

Derkey, Robert E., Joseph, Nancy L., Lasmanis, Raymond (1990, November) Metal Mines of Washington - Preliminary Report. Open File Report 90-18. Washington Division of Geology and Earth Resources

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
ⓘ	Native Gold	1.AA.05	Au

List of minerals for each chemical element

Au	Gold
Au	ⓘ Native Gold	Au

Other Databases

Link to USGS MRDS:	10055891

Other Regions, Features and Areas containing this locality

North AmericaContinent

Columbia MountainsMountain Range

North America PlateTectonic Plate

Okanogan DomainDomain
QuesnelliaVolcanic Arc

USA

Washington
- ⭔Colville Indian ReservationReservation

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References

Valentine, Grant M., Huntting, Marshall T. (1960) Part II - Metallic Minerals, in Inventory of Washington Minerals. Vol II. Bulletin 37, Washington Geological Survey.

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