Commodities
PrimaryLead, Manganese
Commodity typeM
Deposit
Deposit sizeS
WorkingsUnderground
Orebody formSMALL PODS
Geology
Host rockQuartzite
Associated rockMonzonite
StructureFour Faults: First Fault ( Strike N 35 E, Dip 82 Nw, Displacement 25 Ft ), Second Fault ( Strike N 38-45 E, Dip 73 Nw, Displacement 270 Ft ), Third Fault ( Strike N 55-60 E, Dip 78 Nw, Displacement 480 Ft ), Fourth Fault ( Strike N 40-45 E, Dip 78 Nw, Displacement 120 Ft ).
AlterationHydrothermal Alteration Zone: In The Lava Outward From The Contact With Dolomite- (L1) A Silicic Band, (L2) A Strong Argillize Zone, (L3) Transition Zone. In The Dolomite Outward From The Lava Contact- (D1) A Hematite-Quartz Zone, (D2) A Manganiferous Zone, (D3) A Halloysite And Kaolinite Zone, (D4) A Fluorite-Kaolin Zone, (D5) Diaspore-Fluorite Zone, (D6) A Diaspore-Kaolinite Zone, (D7) A Kaolin And Mixed Layer Clay Zone, (D9) A Hydrothermal Dolomite.
Economic & production
Development statusPast Producer
Identification
Deposit ID10021074
MRDS IDDC14839
Alternate namesHelen Adit, Central Standard Shaft, Copper Leaf Shaft, White Star Adit
RegionNA
Data scoreB
Coordinates39.97801, -112.06273
References
COOK, D. R., 1957 , GEOL OF E TINTIC MTN AND ORE DEP OF THE TINTIC MINING DIST.: UTAH GEOL SOC GUIDEBOOK #12 , PL. 3 , P. 136 .USBM MIN. RES. 1927, PT. 1, P. 658. USBM MINERAL RESOURCE YEARBOOK 1930, PT. 1, P. 585MORRIS,H.T. & LOVERING,T.S., 1979, GENERAL GEOLOGY AND MINES OF THE EAST TINTIC MINING DISTRICT: USGS PROF. PAPER 1024, P. 121-125.MORRIS, H. T., 1964 , GEOL OF EUREKA QUAD: USGS BULL 1142 - K, PL 1