Mine detail: Newman and Afton Groups Mines

Previously called 'Big Cottonwood MonarchSunken City'

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Location

Lat / long:

40.64244, -111.67662

Resource(M)

Primary:	Zinc
Secondary:	Lead, Silver, Nickel, Cobalt
Ore:	Galena, Silver, Sphalerite
Gangue:	Diopside, Garnet, Idocrase, Phlogopite, Serpentine
Orebody form:	TABULAR
Discovery year:	1870

Production

Operation type:	Unknown
Production size:	Small
Development status:	Past Producer
First production started:	1870

Geology

Host rock:	Gardison Limestone;Deseret Limestone
Host type:	Dolomite
Associated rock:	Diorite Porphyry Dikes
Associated type:	Diorite
Structure:	North Flank, Big Cottonwood Uplift, Faults
Tectonic:	Shelf
Alteration processes:	Bleaching Of Limestone; Marblerzation

References

MRDS	DC14661
DEP	10021001
Reference	{Deposit:: JAMES, L.P., 1979, GEOLOGY, ORE DEPOSITS, AND HISTORY OF THE BIG COTTONWOOD MINING DISTRICT, SALT LANE 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. BUNER, 1943, GEOLOGY AND ORE DEPOSITS OF THE COTTONWOOD-AMERICAN FORK AREA, UTAH: US. GEOL. SUBY. 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. 55}
Reporter	Doelling, Hellmut H.