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White Bear Mine (Gamber Mine), Custer, Custer District, Custer Co., South Dakota, USA

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Latitude & Longitude (WGS84): 43° 43' 39'' North , 103° 36' 44'' West
Latitude & Longitude (decimal): 43.7275, -103.612222222


A beryl mine located in the NE¼ sec. 11, T.4S., R.4E.

Mineralization is a lenticular, zoned pegmatite body in quartz-mica schist.

Workings include 3 open cuts and a 76 foot incline with 2 levels.
Commodities (Major) - Feldspar
Development Status: Past Producer

Mineral List


4 valid minerals.

The above list 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

Norton, James J. (1964) Pegmatites and other Precambrian Rocks in the Southern Black Hills; Geology and mineral deposits of some pegmatites in the southern Black Hills, South Dakota. USGS Professional Paper 297E.

Meeves, H., et al (1966), Reconnaissance of beryllium-bearing pegmatite deposits in six western states, US Bur. Mines Info. Circ. 8298: 32 (Table A-1).


STAFF USBM 1955 REG V IC 7707 P156

 
Mineral and/or Locality  
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