Mine detail: Maxfield Mine

Previously called ''

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Location

Lat / long:

40.64244, -111.68496

Resource(M)

Primary:	Silver, Lead
Secondary:	Copper, Gold
Tertiary:	Iron
Ore:	Galena, Gold, Malachite, Pyrite, Silver
Gangue:	Calcite, Diopside, Garnet, Quartz, Sepiolite, Wollastonite
Orebody form:	TABULAR
Discovery year:	1871

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Small
Development status:	Past Producer
First production started:	1880

Geology

Host rock:	Gardison Limestone;Tintic Quartzite
Host type:	Quartzite,Limestone
Associated rock:	Diorite Dikes
Associated type:	Diorite
Structure:	N. Flank, Big Cottonwood Uplift, Fissure (N To N20e, Steeply), Faulting
Tectonic:	Shelf
Alteration processes:	Limestone Next To Dike Has Been Altered To Silicates Containing Epidote, Mica, Wollastonite, Diopside, Garnet. There Is No Ore In The Zone. Bleaching Of The Ls. Is Common

References

MRDS	DC14130
DEP	10102099
Reference	{Deposit:: JAMES, L.P. 1979, GEOLOGY, ORE DEPOSITS, AND HISTORY OF THE BIG COTTONWOOD MINING DISTRICT, SALT LAKE CO UTAH: UTAH GEOL. & MINERAL SURV. BULL. 114.}{Deposit:: CRITTENDEN, M.D. JR, 1965, GEOLOGY OF THE MOUNT AIRE QUADRANGLE, SALT LAKE CO., UTAH: U.S. GEOLOGICAL SURVEY MAP GQ-379}{Deposit:: CALKINS, F.C. AND B.S. BUTLER 1943, GEOLOGY AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA UTAH: U.S. GEOL. SURV. PROF. PAPER, 201}{Deposit:: BUTLER AND OTHERS, 1920. THE ORE DEPOSITS OF UTAH: U.S. GEOL SURVEY PROF. PAPER 111}{Production:: JAMES, L.P., 1979, P. 51-52; CALKINS AND BUTLER, 1943, P. 102-103}
Reporter	Doelling, Hellmut H.