Mine detail: Sulfur Prospect No. 1

Previously called 'May Be Same As Edwin Giles Mine'

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Location

Lat / long:

37.54995, -117.21035

Resource(B)

Primary:	Sulfur
Tertiary:	Silica
Ore:	Opal, Sulfur
Gangue:	Alunite
Orebody form:	BLANKET
Discovery year:	1908

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer

Geology

Host rock:	Siebert
Host type:	Tuff,Volcanic Breccia (Agglomerate)
Associated type:	Rhyolite
Alteration processes:	Silicification, Bleaching By Solfataric Action

References

MRDS	M242027
DEP	10046815
Reference	{Deposit:: RANSOME, F.L., 1909, USGS P.P. 66, P. 109-110}{Deposit:: NBMG BULL 78, PL. 2.}{Deposit:: BALL, S.H., 1907, USGS BULL. 308, P. 71.}
Reporter	La Pointe, D.D. (Tingley, J.V.)