Mine detail: Higgins Mine

Previously called 'Twilight'

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Location

Lat / long:

31.4382, -109.92065

Resource(M)

Primary:	Copper, Lead, Manganese
Secondary:	Silver, Gold
Tertiary:	Vanadium
Ore:	Bornite, Chalcocite, Chalcopyrite, Gold, Silver
Gangue:	Pyrite, Quartz
Orebody form:	IRREGULAR
Discovery year:	1900

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Medium
Development status:	Past Producer
First production started:	1913
Last production ended:	1920

Geology

Host rock:	Abrigo Limestone; Escabrosa Limestone
Host type:	Limestone
Associated rock:	Sacramento Hill Stock;Shattuck Dike
Associated type:	Granite
Structure:	Pre-Mineralization Faulting And Tilting, Main Fault Directions, N10w To N40e, S30w To N50w, Pre-Mineralization
Alteration processes:	Gossan With Mn And Fe Oxides Induced By Hydrothermal Metamorphism

References

MRDS	M000919
DEP	10026901
Reference	{Deposit:: USGS BULL. 710, 1920, PL. IV,PP. 105-6.}{Deposit:: ARIZ. B. OF M. BULL. 124, 1930, PP. 36-39}{Deposit:: GALBRAITH, 1941, ARIZONA BUREAU OF MINES BULLETIN 149, P. 65.}{Deposit:: KEITH, S.B., 1973, ARIZONA BUREAU OF MINES BULLETIN 187, P. 87.}{Other Database:: CIMRI}{Production:: KEITH, 1973, ARIZ. BUR. OF MINES BULL. 187.}
Reporter	Gere, W., Laraba, Peter (Gest, Don E.)