Mine detail: Tejon Mine

Previously called 'El Tejon'

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Location

Lat / long:

31.73819, -109.82621

Resource(M)

Primary:	Copper
Secondary:	Lead, Silver, Gold
Tertiary:	Zinc
Ore:	Bornite, Chalcopyrite, Silver
Gangue:	Pyrite
Orebody form:	IRREGULAR, LENSING
Discovery year:	1876

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Producer
First production started:	1917
Last production ended:	1956

Geology

Host rock:	Naco Formation
Host type:	Limestone
Associated type:	Quartz Monzonite
Structure:	Limestone Thrusted Over Rhyolite, Fault Dips 40 Degrees W. Limestone Dips 45 Degrees E, One Fault N-S, 65 Se, Others E-W With Steep Dips
Alteration processes:	Oxidation In Upper 100 Feet

References

MRDS	M800141
DEP	10109831
Reference	{Deposit:: ABGMT-USBM FILE DATA}{Deposit:: ABGMT 187, P. 84}{Deposit:: WILSON, E.D., 1927. GEOLOGY AND ORE DEPOSITS OF THE COURTLAND-GLEESON REGION, ARIZONA. ARIZONA BUREAU OF MINES BULLETIN 123, P. 72.}
Reporter	Gest, Don E.