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Middle Basin; Middle Flat Mine, Juneau Mining District, Juneau, Alaska, USAi
Regional Level Types
Middle Basin; Middle Flat MineMine
Juneau Mining DistrictMining District
JuneauCity Borough
AlaskaState
USACountry

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Latitude & Longitude (WGS84):
58° 18' 54'' North , 134° 22' 1'' West
Latitude & Longitude (decimal):
Type:
Köppen climate type:
Nearest Settlements:
PlacePopulationDistance
Juneau32,756 (2017)3.4km
Mindat Locality ID:
198864
Long-form identifier:
mindat:1:2:198864:5
GUID (UUID V4):
0


Location: This placer mine is at an elevation of approximately 800 feet in Gold Creek. It is 1.5 mile southeast of Mt. Juneau and 1/2 mile upstream of Ebner Falls, just east of the center of the west side of section 18, T. 41 S., R. 68 E. of the Copper River Meridian. The location is accurate.
Geology: The Middle Basin placer was discovered in 1881. It is in the Gold Creek canyon below Silverbow Basin and Ebner Falls. The gravels are in an area 2,500 feet long and 200 feet wide (Spencer, 1906). The placers were worked in the 1880's but production records are not available (Redman and others, 1989).
Workings: The placer was worked in the 1880's.
Age: Quaternary.
Production: Production records are not available.

Commodities (Major) - Au
Development Status: Undetermined.
Deposit Model: Placer Au (Cox and Singer, 1986; model 39a)

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


1 valid mineral.

Gallery:

List of minerals arranged by Strunz 10th Edition classification

Group 1 - Elements
Gold1.AA.05Au

List of minerals for each chemical element

AuGold
Au GoldAu

Other Databases

Link to USGS - Alaska:JU150

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

 
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