Mine detail: Maderposson

Previously called ''

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Location

Lat / long:

43.86246, -103.36973

Resource(B)

Primary:	Feldspar, Beryllium
Ore:	Beryl, Feldspar
Orebody form:	DIKE
Discovery year:	1941

Production

Operation type:	Unknown
Production size:	None
Development status:	Occurrence

Geology

Host type:	Pegmatite
Associated rock:	Pegmatite
Associated type:	Pegmatite

References

MRDS	SD02279
DEP	10055669
Reference	U. S. BUREAU OF MINES, 1955, BLACK HILLS MINERAL ATLAS, SOUTH DAKOTA: PART 2 BUREAU OF MINES INFORMATION CIRCULAR 770
Reporter	Barari, Rachel A.