Mine detail: Sunset Group

Previously called ''

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Location

Lat / long:

40.13877, -121.05435

Resource(B)

Primary:	Manganese
Tertiary:	Aluminum, Iron, Phosphorus-Phosphates, Silica
Other material:	Chert, Hematite, Limonite, Psilomelane, Pyrolusite, Quartz, Rhodonite
Discovery year:	1917

Production

Operation type:	Surface
Development status:	Past Producer

Geology

References

MRDS	M020088
MAS	60630012
DEP	10261934
Reference	{Deposit:: CALIF DIV OF MINES BULL 125 1935 P 153}{Deposit:: ALSO IN SEC 3 SW 1/4 T26N R8E & SEC T27N R8E}{Deposit:: TRASK, PARKER D., 1950, GEOLOGIC DESCRIPTION OF THE MANGAN-}{Deposit:: ESE DEPOSITS OF CALIFORNIA: CAL. DIV. MINES & GEOL. BULL.}{Deposit:: 152}{Deposit:: TENGROVE, RUSSELL R., 1960, RECONNAISSANCE OF CAL. MANGANESE}{Deposit:: DEPOSITS: BUREAU OF MINES RI 5579}
Reporter	Mcmahan