MINEBK00522

• County: Park
• Volume: 6
• Document: Inspectr
• Suffix: A

Taking an average Prom seventeen assays from
tunnel Plo,l, U;e get un avera~r
~e result of y ~
prom an average of three assays ytaken ex ton,
tunnel ldo,2, we get an avere~re of r;.5.~2 from
From ~_ per ton,
an average of five assays, taY.en
bottom of vvinze, and alo
from the
rrom tl.e ~ 9 ft• drift, extending ~;est
bottom oi' same, we get an average of ~:'1& 59 per
ton, which compares very favorably ~rith the returns of
shipment of 19,u'90 pounde
~~ 4?~ and sa=d to have oo yore, :;ith an assay value oP
Prom c:~inze,
Lack oP sufficient vrork on the
ore body, ~a
exposed by ti:'inze, together
with the Faet that the malls
of the upper part of the winze were
precluding sampli oovered with
~'. makes ice, thus
a ooT~eervative estimate as to ~
the probable ore in sight at that
point, a difficult problem,
The average oP the values obtained
airly represent Prom l,o,l
of ore the value o° an;- considerable amount
, which may he considered
thou. as probable ore in
€h Further development sight,
in winze may alter the above
estimate,
As to what grade of ore that can be handled at
a Profit, ::e may conclude From the
estimates bei Pollot~~ing example
~ bused From exile the
rienee elsewhere;_
COSt of mining one ton
.. ., millin~• ore --------------
„ .. hauling .. " '• --------------- i~3.00
~> ., to mill _______- 1.50
To the above m~xst - 50
be added 5~`oT~-
the prof,crtionate cost oP handling ~,
one ton oP concentrates, bases on a concentration of Five :
into one;_
Cost of hauling one ton concentrates to it.R w2,00
r•
che.rges to
.. „ smelting one tonsooncentrates -- r '`
2.50
E "~
---- ti~~ ~,i~,v
~x
:r
X:;
1