Mine detail: Webb Mine

Previously called 'WilmotSchultzSimbroPatrick CreekSchults Bros.High DomeCroesus Bulch'

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Location

Lat / long:

41.93538, -123.85643

Resource(M)

Primary:	Mercury
Ore:	Cinnabar, Mercury, Metacinnabar
Gangue:	Clay, Pyrite
Orebody form:	IRREGULARLY DISTRIBUTED IN VUGS AND SEAMS
Discovery year:	1940

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
Production years:	1946 - 1960

Geology

Host type:	Peridotite
Associated type:	Andesite
Structure:	Shear Zone
Tectonic:	Klamath Mountains
Alteration processes:	Silica-Carbonate Alteration

References

MRDS	M055487
DEP	10040636
Reference	{Deposit:: BAILEY, E.H., U.S. GEOLOGICAL SURVEY, PERSONAL FILES}{Deposit:: HOLMES, G.W., JR., 1965, MERCURY IN CALIFORNIA, IN MERCURY POTENTIAL OF THE UNITED STATES: U.S. BUREAU OF MINES INFORMATION CIRCULAR 8252, P. 170, 198.}{Deposit:: *RIEN, J.C., 1952, MINES AND MINERAL RESOURCES OF DEL NORTE COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MNES AND GEOLOGY, V. 48, NO. 4, P. 281-282.}{Deposit:: U.S. BUREAU OF MINES, 1959-1973, MINERALS YEARBOOKS: U.S. BUREAU OF MINES}{Production:: USBM DATA}
Reporter	Gassaway, J. S., Peterson, Jocelyn A.