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Gold Nest Prospect, Juneau Mining District, Juneau, Alaska, USAi
Regional Level Types
Gold Nest ProspectProspect
Juneau Mining DistrictMining District
JuneauCity Borough
AlaskaState
USACountry

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Latitude & Longitude (WGS84):
57° 56' 20'' North , 133° 36' 3'' West
Latitude & Longitude (decimal):
57.93889,-133.60083
GRN:
N39W53
Type:
Prospect
Köppen climate type:
Dfc : Subarctic climate
Mindat Locality ID:
197698
Long-form identifier:
mindat:1:2:197698:7
GUID (UUID V4):
0


The prospect is in the Tracy Arm-Fords Terror Wilderness Area which is closed to prospecting and mining.
Location: The Gold Nest prospect is at an elevation of about 2,900 feet southeast of the saddle that is about 1.4 miles southeast of the southwest end of Lower Sweetheart Lake. The prospect is near the center of section 28, T. 45 S., R. 73 E.
Geology: Claims were staked on the Gold Nest prospect in 1912 (Kimble and others, 1984). The deposit consist of a brecciated pyrite-quartz vein 30 inches thick that is exposed in a short open cut. The vein strikes N30E and dips steeply northwest. A chip sample across the vein contained 1.5 part per million (ppm) silver, 0.10 ppm gold, 70 ppm copper, 70 ppm lead, and 130 ppm zinc. Boulders of a quartz vein with arsenopyrite were found about 200 feet above the breccia vein. A select sample of the boulder contained 0.5 ppm silver, 7.0 ppm gold, 40 ppm copper, 950 ppm lead, and 75 ppm zinc. The rocks in the area are part of the Cretaceous biotite-schist unit of Brew and Grybeck (1984).
Workings: The only working is a short open cut on a claim.
Age: Cretaceous or younger based on the age of the host rock.

Commodities (Major) - Ag, As, Au, Cu, Pb, Zn
Development Status: None
Deposit Model: Pyrite-quartz vein.

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.


Mineral List


3 valid minerals.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 2 - Sulphides and Sulfosalts
ⓘPyrite2.EB.05aFeS2
ⓘArsenopyrite2.EB.20FeAsS
Group 4 - Oxides and Hydroxides
ⓘQuartz4.DA.05SiO2

List of minerals for each chemical element

OOxygen
Oⓘ QuartzSiO2
SiSilicon
Siⓘ QuartzSiO2
SSulfur
Sⓘ ArsenopyriteFeAsS
Sⓘ PyriteFeS2
FeIron
Feⓘ ArsenopyriteFeAsS
Feⓘ PyriteFeS2
AsArsenic
Asⓘ ArsenopyriteFeAsS

Other Databases

Link to USGS - Alaska:SD014

Other Regions, Features and Areas containing this locality

North AmericaContinent
North America PlateTectonic Plate

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

Brew, D.A., and Grybeck, Donald, 1984, Geology of the Tracy Arm-Fords Terror wilderness study area and vicinity, Alaska, in U.S. Geological Survey and U.S. Bureau of Mines, Mineral resources of the Tracy Arm-Fords Terror wilderness study area and vicinity, Alaska: U.S. Geological Survey Bulletin, 1525, p. 19-52. Cobb, E.H., 1978, Summary of references to mineral occurrences (other than mineral fuels and construction materials) in the Sumdum and Taku River quadrangles, Alaska: U.S. Geological Survey Open-File Report 78-698, 64 p. Kimble, A.L., Still, J.C., and Rataj, J.L., 1984, Mineral deposits and occurrences in the Tracy Arm-Fords Terror wilderness study area and vicinity, Alaska, in U.S. Geological Survey and U.S. Bureau of Mines, Mineral resources of the Tracy Arm-Fords Terror wilderness study area and vicinity, Alaska: U.S. Geological Survey Bulletin, 1525, p. 106-210. U.S. Geological Survey and U.S. Bureau of Mines, 1984, Mineral resources of the Tracy Arm-Fords Terror wilderness study area and vicinity, Alaska: U.S. Geological Survey Bulletin, 1525, 308 p.
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