Mine detail: Altoona Mine

Previously called 'Castella CorpRare Metals Corp of AmericaUniversal SilversTrinity ClaimBlockade Claim'

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Location

Lat / long:

41.13624, -122.54583

Resource(M)

Primary:	Mercury
Ore:	Cinnabar
Gangue:	Ankerite, Barite, Magnetite, Pyrite, Quartz
Orebody form:	STEEPLY DIPPING TABULAR LENSES
Discovery year:	1871

Production

Operation type:	Unknown
Production size:	Medium
Development status:	Past Producer
Production years:	1875-1880, 1894-1901, 1929-1945(INTERMITTENT)
First production started:	1875

Geology

Host type:	Serpentinite
Associated type:	Diorite
Structure:	3 Major Shear Zones.
Tectonic:	Klamath Mountains
Alteration processes:	Argillic. Quartz And Ankerite Replace Diorite And Serpentine

References

MRDS	M055593
DEP	10040731
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. 173-174, 199.}{Deposit:: *RIEN, J.C., 1965, MINES AND MINERAL RESOURCES OF TRINITY COUNTY, CALIFORNIA: CALIFORNIA DIVISION OF MINES AND GEOLOGY COUNTY REPORT 4, P. 48-49.}{Deposit:: INTFEN, S.F., AND DAVID, F.F., 1972, DIRECTORY OF MINERAL PRODUCERS IN CALIFORNIA FOR 1970: CALIFORNIA DIVISION OF MINES AND GEOLOGY PAMPHLET, P. 16.}{Deposit:: SWINNEY, C.M., 1950, THE ALTOONA QUICKSILVER MINE, TRINITY COUNTY, CALIFORNIA: CALIFORNIA JOURNAL OF MINES AND GEOLOGY, V. 46, NO. 3, P. 395-404.}{Deposit:: U.S. BUREAU OF MINES, 1959-1973, MINERALS YEARBOOKS: U.S. BUREAU OF MINES}{Deposit:: 1957 DIREXPL DMEA, INDICATED RESERVES OF 55,000 TONS}{Deposit:: 1957 DIREXPL RARE METAL CORP OF AMER - ORE TO 750 FT}{Production:: USBM DATA}
Reporter	Gassaway, J. S., Peterson, Jocelyn A.