Show H WELL ON O PHI PARK CITY I i Advance Slice Shul nn of ot at j or lint ilni IIII t I Tho The survey dot nt at atI I 4 11 1 Washington has an advance hut bill billI I I tin on the Ilia work of ot Proto Prof J 1 M Al 1 l Roll nell who has ha hind had charge charse of ot the ihs K V vIi Ii i 4 In Park City CItE The Tho work ha has c been Keen In progress 8 for tor more mort than a n y yar yarI ar 11 I I t ind nd n R halt half The fhe arrival of or tho the j 4 report Ie port will iiIi be 00 awaited with Interest by byI lit I sien Interested In tint that great picat camp cump It ItI I to Kill not bo be luniel lII uell howoo for tor some somo rI 5 time lime Tho Iho bulletin Issued contains contins the Ibo I following H I The Th sedimentary rocks of or the 1 ho din tl i i J rIet 1 of ot un im Uni mown thickness probably of ot lower lonor i It I it fh 1 J 1 I carboniferous age ug i 2 J 1500 of mal sue pi p ly Iy carboniferous age 3 J CM 90 feet C et of 01 bluish limestone probably also alIa of ot ofu upper u ppe I carboniferous uge ng 4 1100 feet teel ol ul red shale and amI sandstone feet teet of calcareous sandstone HO 10 feet feel of red shale GO feet feel of ot limestone calcareous sandstone and gray whale shale and an un unknown unknown Unknown known thickness s of oC rod red probably all of ot mesozoic age The sediment have n a 1 general strike and dip northwest at fit nn an a crago angle anlo of or 40 degrees lIe are cut by Intrusions of oC diorite and porphyry ry ty and n nd locally overlain by b mule or basaltic lava The Tho diorite oc 00 occur occur cur nil as and dikes within a II abelt abelt belt b lt which traverses the district In the tho direction of ot the strike of ot the beds bed II and of ot the major Th Thy y have In Induced dared metamorphism In the adjacent nt The rho ores orell consist chiefly of o galena and with more or less and pyrite Oxidation tion bich extends extend In places to a depth of ot feet teel has resulted In the forma tion of ot cerus lle malachite and azurite Hoth Iloth oxidized and aul sul sulphide ores arcs are aro mined The ParR encores are not broadly disseminated through the rocks but oc oo occur cur In large bodies usually In the lime and near the tho Ih eruptive masses Three types of occurrence are Bre pd rd Insure fissure ores replacement placement r ores contact ores In the first tho the oro ore parries carries either cither sliver and lend with or without and or paid gold with some Mme sliver silver anti and occurs be he between tween well defined fissure walls wall In the second the ore carries chiefly silver and I lead ad and occurs na as n elongated elon lenses In lI roughly parallel to 10 the bd bril b ll dint ding In ln the third tho the ore oro carries copper and gold RollI with or without lend lead silver Oliver and occurs In Irregular In metamorphosed meI ld limestone to bodies of at diorite porphyry Some Home of ot the highest gold gohl values ore oro found In fissures In III I |