Mine detail: Pioneer Placer Mine

Previously called 'Upper Gold Bluff'

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Location

Lat / long:

41.44205, -124.06337

Resource(M)

Primary:	Gold
Secondary:	Platinum
Tertiary:	Osmium, Iridium
Ore:	Gold
Orebody form:	LENSES

Production

Operation type:	Unknown
Deposit type:	Beach Placer
Production size:	Small
Development status:	Producer
Production years:	1888

Geology

Host type:	Sand and Gravel
Tectonic:	California Coast Ranges

References

MRDS	M045287
DEP	10109525
Reference	IRELAN, WILLIAM, 1888, HUMBOLDT COUNTY: CALIFORNIA STATE MINING BUREAU, 8TH REPORT OF THE STATE MINERALOGIST, P. 216-217
Reporter	Blair, Will N., Peterson, Jocelyn A.