Mine detail: Chief No. 1 Mine

Previously called 'Chief Con.'

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Location

Lat / long:

39.95078, -112.11773

Resource(M)

Primary:	Silver, Lead, Zinc
Secondary:	Gold, Cadmium, Copper
Tertiary:	Manganese
Ore:	Argentite, Cerargyrite, Enargite, Galena, Gold, Plumbojarosite, Proustite, Silver, Sphalerite, Wurtzite
Orebody form:	POD, PIPELIKE, AND VEIN DEPOSITS ALL IRREGULARLY INTERCONNECTED

Production

Operation type:	Unknown
Deposit type:	Replacement
Production size:	Large
Development status:	Past Producer
Production years:	1909-1956

Geology

Host type:	Limestone
Associated type:	Monzonite,Quartz Latite
Structure:	The Mine Is On The West Limb And In The Trough Of The Tintic Syncline. Beds In The Limb Are Steep To Overturned. East Beck Fault(N 60 E, Steep Nw); Millionaire Row Fault(N 60 E, Irregular N); Intermediate Fault(N 77 E, 75 S); Leadville Reverse Fault(N 75 E, Steep Se); Bulkhead Fault(N 75 W, 65-85 Sw).
Alteration processes:	Oxidation To The 1800 Ft Level; Limestones Were Dolomitized, Pyritized, And Jasperoidized Prior To Ore Deposition.

References

MRDS	DC12525
DEP	10020083
Reference	{Deposit:: COOK, DR, 1957 , GEOL OF E TINTIC MTNS AND ORE DEP OF TINTIC MINING DIST: UTAH GEOL SOC GUIDEBOOK # 12 , PL 3 , P. 80 - 93}{Deposit:: USBM MIN. RES. 1923-1933}{Deposit:: LINDGREN, W AND LOUGHLIN, GF, 1919 , GEOL AND ORE DEP OF TINTIC MINING DIST: USGS PROF PAPER 107 , P. 205 - 207}{Deposit:: MORRIS, H.T., 1968, THE MAIN TINTIC MINING DISTRICT,UTAH: IN ORE DEPOSITS OF THE U. S., 1933-1967, AIME GRATON-SALES VOLUME 2, P. 1043-1073.}
Reporter	Unknown, Wong, George (Morris, H.T.)