Low grade placer Au occurrence having no significant production Fritts, 1970, p. 58).
Location: Located along Jay Creek on the north side of the Cosmos Hills in T. 19 N., R. 9 E., Kateel River Meridian. Shown as locality 23 in Mayfield and Grybeck and accurate to within 2000 ft (600 m).
Geology: Placer Au in stream gravels (Reed, 1931, p. 18).
Workings: Surface placer
Production: A little gold recovered in 1931 (Reed, 1931, p. 31).

Commodities (Major) - Au
Development Status: Small
Deposit Model: Placer

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:

(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey

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 - Alaska:	AR019

Other Regions, Features and Areas containing this locality

North AmericaContinent

Brooks RangeMountain Range
Rocky MountainsMountain Range

North America PlateTectonic Plate

Angayucham TerraneAccretionary Complex
Brooks Range DomainVolcanic Arc

This page contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database. This locality information is for reference purposes only. You should never attempt to visit any sites listed in mindat.org without first ensuring that you have the permission of the land and/or mineral rights holders for access and that you are aware of all safety precautions necessary.

References

Fritts, C.E., 1970, Geology and geochemistry of the Cosmos Hills, Ambler River and Shungnak River quadrangles, Alaska: Alaska Division of Geological and Geophysical Surveys Geological Report 39, 63 p., 4 sheets, scale 1:63,360. Mayfield, C.F., and Grybeck, D., 1978, Mineral occurrences and resource map of the Ambler River quadrangle, Alaska: U.S. Geological Survey Open-File Report 78-120-I, 1 sheet, scale 1:250,000. Reed, I.M., 1931, Report on the placer deposits of the upper Kobuk goldfields: Alaska Territorial Department of Mines Miscellaneous Report 37-1, 57 p.

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