MINEBK00789

• County: Gilpin
• Volume: 16
• Document: Inspectr
• Suffix: A

.,
¢;
Ii
tR'
,.
Ig ORES & ORE B O D I E S - Contia.
.
work has been-ooniined•to the Bsrnadete'vsin. The strike is
-aertheast and southwest and the dip ie to the north. Ho well
,
i
declined ore shoots have yet been developed. The enoleeiag
+
4i -racks are granite•and.~eohiet and the gangue ie talc: Thee~ei~
g varies in width from 1' to 4~ with ea average width of 2'•.•-
!` ~.~ Length, '7E0' ; height, 2b0' .
- The character of vein-Pilling le iron enlphidss'sad•"
%ri quartz and the metale•are•gold, silver, copper, lead sad
;~: zinc with gold the principal metal. Yery little ors le pro-
-~ duosd as all work•ia confined to dewlopaent. 9bout one-
fourth of the vein filling ie smelting ore and the balsnoe
F~'; ie of a oonoeatmting nature, the average valve of ore being
i
e i~ ` X7.4 per ton.
S II R F A C E P L A S T.
i.1 ^~ ~,;
i, ;~_
~ ~;~~;~j~~' There ie no surface plant. 9t the portal of the tunnel
is
'~~,~~Ii~~ ie a Yrame smith's shop, 8' a 10' in size and ad~eining 1t
,..~
~.j~I~ ie a frame dwelling hones 14' a 30'. The tunnel mouth, smith'
i
;iy~ ~ ehep sad dwelling house are ell under one root. Ho protection
,1~iI
' ~ against fire has been provided. The changing haves Se in th'e
I '~'I;~~ smith' a shop. •
I iiy
:i;~l.~~ E%PLO S IVES .
~~~' Dupont powder - 400, German Insoloid fuse, b-7C cape
i
"~;'•~ and wooden tamping bare are employed. Eaploeives in excess
of one day's supply are not stored underground.
~:
,~ The average amount of erploeivee kept in storage le
.1 '. b00t. This is kept in a frame, iron-covered magazine situate
~~ 76' west of the portal of the tunnel and used for the ster-
~~ age of powder only. 97.1 other supplies are kept in the smith'
• ~ '' shop esospt the candles and these are stored in the dwelling
house. -
To derlor ter thawing powder is provided.'