The Salt Lake tribune. [volume] (Salt Lake City, Utah) 1890-current, 1911-08-01
NORTH BUTTE
DEPTHS GOOD
Copper and Silver Contents Of
Ore Show Increase as
Work Progresses.
MUCH DEAD WORK Is
THE ORDER OF DAY
Quarterly Report Is Considered
on the Whole as Rather
Favorable Exhibit.

The quarterly report of the North Butte
company for the period ending June 81
confirms the important developments
which have taken place at the mine whlcr
we have reported from time TO time as
a result Of our engineers personal visit
To the property. Taken as a whole. the
developments which took place during the
quarter were favorable and showed ar
Improvement over the previous period
say Thompson, Towle & Company.
Probably the most important develop
ments during the quarter were on the
Snow Ball vein where drifting on the va
rious levels encountered ore bodies not
only considerable higher In copper than
the average OF North Buttes reserves,
but containing from two to three times
the silver contents. On the lS00-foot
level. the lowest working on which drift
ing has been done. as ore body has been
developed for $50 feet in length. feet In
width and assaylng go per cent copper
and I.7o ounces or silver while on the
l600-foot the average Is in the neighbor-
hood Of per cent copper and ounces
silver. This vein has shown considerable
improvement on the 1900, on which level
Il was first encountered. and where the
first hundred feet Of drifting on the lode
disclosed a vein feet wide, averaging
{ per cent copper and 10 ounces Of silver
per ton. From the above 1t will be seen
that the ore which has since been do
veloped is not only wider, but OF better
grade.
Depth Promises Much.
Crosscuts on the 1000 and 2200-foot
levels have intersected tho Snow Ball vein
and drifting is now in progress at these
points. Tho showing here is said to be
particularly good, to average high In sill
ver and the indications are favorable
for the opening of good ore bodies in
depth.
On the Edith May vein developments
during the quarter met with good results.
drifting between the fault planes having
width for lis feet In length, and to carry
AZ per cent copper and 2.2 ounces OF
silver per ton. This ore is about the
same as that developed between these
gotten, however. that the 2300-foot level
and the winze below the 200 contain ore
averaging approximately IL per cent cop
than the average of the ore reserves on
this vein. From this II will be seen that
Developments in depth In this part OF the
mi mine ga, are meeting with very good results
developed was a trile lower in copper,
IT carried nearly double It's previous silver
contents; As this shoot dips to the
VIII be necessary to intersect the ore
bodies.
Reserves Decreased.
The fact that the ore reserves at North
Butte slightly decreased during the quar-
ter Is not significant. as q large amount
of the development work was confined to
prosecuting TO the north veins rather |
than to drifting on the different lodes |
while on the Jessie and Edith May. with !
the exception OF the drifting between the |
fault planes the work was not done In |
locations to add materially to the tom
mage. AS some OF the north veins have |
just been cut on new levels and drifting !
begun, IL would not be unreasonable TO /,
expect. provided that developments con-
tinue favorable. that an addition to tom |
mage VIII be made during the coming |
quarter, also as the crosscuts on the |
lower levels reach the Edith May and
Jessie veins. giving more points OF at
tack. Further increase will probably be
made In this part Of the mine.
Judging from the manner in which the
north veins are opening at the property, |
the encouraging development In depth on
the Edith May. with the cutting In the |
near future OF both this and the Jessie
vein on new lower levels and with the
further development of the new ore body
encountered In the Speculator shaft at
2 depth .! 2150 feet, the outlook of North |
Butte Is quite ENCOURAGING