Mine detail: Hirz Mountain

Previously called 'Jennings Group'

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Location

Lat / long:

40.90235, -122.24359

Resource(M)

Primary:	Iron
Secondary:	Copper
Ore:	Chalcopyrite, Hematite, Magnetite
Gangue:	Epidote, Garnet
Orebody form:	LENTICULAR

Production

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

Geology

Host type:	Limestone
Associated type:	Andesite,Basalt
Structure:	Fault Seperating Nosoni Fm. From Mccloud Limestone, Trends N-Ne

References

MRDS	M024296
DEP	10103522
Reference	{Deposit:: EGENHOFF, E.L., 1948; BIBLIOGRAPHY OF THE IRON-ORE RESOURCES OF CA; IRON RESOURCES OF CA. BULL. 129, DIV. OF MINES, P.}{Deposit:: LAMEY, C.A., 1948; SHASTA AND CALIFORNIA IRON-ORE DEPOSITS SHASTA COUNTY; DIV. OF MINES BULL. 129, PART K, P. 139-164.}{Deposit:: LYDON, P.A. AND *RIEN, J.C., 1974: MINES AND MINERAL RESOURCES OF SHASTA COUNTY; CA. DIV. OF MINES AND GEOLOGY COUNTY REPT. 6, P. 61-63}{Production:: LYDON & *RIEN, 1974}
Reporter	Fraticelli, L. A. (Albers, J.)