MINEBK00804

• County: Boulder
• Volume: 12
• Document: Inspectr
• Suffix: A

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G E O I: O G Y- Contin.
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~ geological period is Arohean.
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O R E S & O R E B O D I E S

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I The oharacter of ore bodies is fiaqure,veine. The number
, oP veins ie three and there are 12,lenaes. The strike is north-
vest and aoutheeat and the dip is to the north. The vein varies
in width Srom 1' to 3'. with an average width o~ 2.'. The height
~'~! is 300' and the length is 900'. The gangue ie ileaomposed granite
sad talo and the enalosin rocks are
g granite and eohiat. There
I~-~ :,I are eight ere shoots varying in length from SO'
to
100'

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tF+
J .
.
respeo-
tively. A Panlt in the vein is normal thro 1
r W ng the 9
i

i " i e
n Prep
f
1 eoxth to aerth about 6'. The Panlt Se shown at the 100-Pt

,. . and
tho 200-ft. levels.
;; The oharacter of vein filling is iron sulphides and quartz
_, and oontaine gold. eilver~'oopper, lead and tungaten~ the gold
gad silver predominating. The vein filling is oP a Yair grade
~:'
is va],ue and overages y40 per ton.,One-fourth oP the vein Pill-
ing 18 eaelting ore and the Dalanoe is of a oonoentrating nature.
~~ The oenoentrating ero is treated at tho Co ~
+°, ppany a sill nanr the
nine while all enelting ore and oonoentrates aro shipped to the
i;
I'~ pnblio Berke for treatment..
l ,
~ 3URFd CE PI.61gT .
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"~ Tha exrfaoo plant oonsists of one ~ ~
+ ~ z 16 ~ 68 Plugs.
100 h.p., rotnra tabular beiler; •ae, 2-drill, Aerwalk~ air
,,;
oonprosoer; eno, 9" z 10", flat friotion, eteae hoist Wane b
' ~' Hegdrle & BolthofP of Denier, Celoradp. Y
,~
SKt ooal is need for feel and the water need Sa the
boiler ie taken frog a enall ep~1aC en the side of the hill and
100' distant free tho chart hense. The presonre parried ie 90~.
'~'' The leilor wne last inspooted !a 19013 and Se in good oondition.
::
ii ~ The hoist 1e ogn,ipped~with a
'I poeitire indioater in plain
„t viaw •f tDe ea3;inear who opernta^ nt the engine. One eaGineer
.~~ 1^ 38 years sad the other en`ineer is 4b yeass of age with g
n ~~.