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<br />~ G E~ O Z O G Y- Contin.
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<br />A good geological survey has been made oY the district
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<br />The character oY country rook is'sohist and granite and th
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<br />geological • period is Arahean.
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<br />` RE 3 ~ ORE BODIES
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<br />' ~ The character oY oro bodioa is Sieaure veins. There
<br />
<br />~
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<br />' i; , are
<br />six known veins iit this group and Lhe Oldbur
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<br />11 ~
<br />~'~~ 1 ; ve
<br />n, upon which
<br />tho greater part oY th
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<br />l e work has been done, has been opened to
<br />l~f
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<br />.: 1 a height of 320' and to n length oS 1
<br />200'
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<br />~1 ~+I'
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<br />, The strike is north-
<br />east~and southwost and the dip is 10°
<br />
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<br />~
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<br />~ to the north. Tho gangue
<br />is schist and tho oncloning rock
<br />
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<br />'}~~i~ ' s ar
<br />o granito and nohint, Thorn
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<br />are
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<br />i . ~ , no faults in the voin, There are Sour
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<br />°{1 ~, ore shoots; one 300'
<br />on the Oldbury voin and
<br /> threo on the Croat }7entern voin that
<br /> are 40', 90' and 17.0' in length respootivol
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<br />Tho voin varios in width Yrom 1' t
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<br />+ij~. "' o 5
<br />, with an average
<br />width of 3'. Tho churaot
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<br />~{ i or oY voin Silling is lead, iron eu1-
<br />T Phides and quartz and the metals
<br /> nre gold, silver, ooppor, lead
<br />and zinc, gold ls
<br />
<br />~' ~
<br />~ rgoly pJ•odominatin ,.
<br />E• About 50
<br />0 oY th
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<br />o vein
<br />filling ie ,rrmolting oro
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<br />th an avtirage valuo of
<br />v3b por ton.
<br />The balance
<br />,!~ • ~i oY tho vein Pilling iri a lon grado
<br />
<br />:a}.:: ~,1:~ ~I._ oonoentrating
<br />oro that fdr does not
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<br />~ PhJ to have treatod nt tho public works
<br />
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<br />All oS the concuntratin
<br />gore is
<br />
<br />+' ! saved howovor until such tlmc
<br />as tho
<br />
<br />~; , company shall construct n concentrating mill near'tho
<br />"
<br />' ~1~
<br />'°~ mouth oY tha tunnol rhoro tho ore can be trokted
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<br />,' } • >aoro ahea 1
<br />r y
<br />and tho post of trrcnsportntion
<br /> can bo saved.
<br />+ 1 ..
<br />~~y1 t "r II ~
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<br />}~~; a}j?+;~ B U R P A C t PLA N T
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<br />~ Thv cnrtnce oguipmont conriistn of asix-drill
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<br />r ;, t , I3laladnil
<br />air oompronnor
<br />wlth u
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<br />enpaoit
<br />y oY b00 cubic toot of rir
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<br />°4
<br />+ por
<br />ainuto, and n SG h. "
<br />P II" x 10 _'lat irlotio
<br />
<br />E7 ~, ~ n OLbaC1 hoist, sold
<br />by thu Flondrle t< Bolthoff
<br />
<br />i ~ ~ Co. 01 Denver, Colo. Thene arc ata -
<br />t
<br />lonod S
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<br />f r.
<br />ho r+hutt houao aDottt GOU' north oY •tho portal
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<br />' oY the
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<br />t~•1=nryl• T}:o hoist is not !n u
<br />
<br />a
<br />~ ~ 1 no ran all work in oonauotcd through
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