Mine detail: Black Jack

Previously called 'Empire'

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Location

Lat / long:

39.92551, -112.11329

Resource(M)

Primary:	Silver
Secondary:	Iron, Manganese, Gold
Ore:	Goethite, Gold, Hematite, Limonite, Pyrolusite, Silver
Gangue:	Garnet, Magnetite, Spinel

Production

Operation type:	Unknown
Deposit type:	Contact Metasomatic
Production size:	Small
Development status:	Past Producer

Geology

Host type:	Limestone,Dolomite
Associated type:	Monzonite
Structure:	Cross Fissures (N 45 - 70 E, 70 W To 90 )
Alteration processes:	The Limestone Is Metamorphosed

References

MRDS	DC12839
DEP	10020234
Reference	{Deposit:: LINDGREN, W, AND LOUGHLIN, GF, 1919 , GEOL & ORE DEP OF TINTIC MINING DIST: USGS PROF PAPER 107 , P. 222}{Deposit:: COOK, DR, 1957 , GEOL OF E TINTIC MTNS AND ORE DEP OF THE TINTIC MINING DIST: UTAH GEOL SOC GUIDEBOOK # 12 , PL 3}{Deposit:: CRITTENDEN, MD JR, 1951 , MANGANESE DEP OF W. UTAH: USGS BULL 979 - A, P. 52}{Deposit:: BULLOCK,K.C., 1970, IRON DEPOSITS OF UTAH: UTAH GEOL. & MIN. SURV. BULL. 88, P. 66.}{Deposit:: 5) USBM MINERAL RESOURCE YEARBOOK 1931, PT. 1, P. 164.}
Reporter	Unknown, Wong, George (Morris, H.T.)