Tonopah daily bonanza. [volume] (Tonopah, Nev.) 1906-1929, 1916-05-09

about 1855 per cent of the gross ton.
mage and about 34.57 per cent OF the
gross value; the Favorite vein fur
nished 33,62s tons, or about 20.38 per
cent OF the gross tonnage and about
1857 per ce ! OF the gross value; the
kyoliie vein furnished 21.405 tons, OF
about 1898 per cent of the gross ton
mage and about 1871 per cent of the
gross value: the Shaft vein furnished
1928 tons, or about 1047 per cent Of
the gross tonnage and about sos per
cent of the gross value; the Western
vein furnished 10.462 tons, or about
6.34 per cent of the gross tonnage and
about 7.19 per cent of the gross value;
the Mizpah Fault veins (combined)
furnished 1913 tons, or about 500 per
cent of the gross tonnage and about
6.Sl per cent OF the gross value: the
Occidental vein furnished 1896 tons,
or about $40 per cent OF the gross ton
mage and about 654 per cent of the
gross value; and the Lille Belle and
other small veins furnished 8,725 tons,
or about 52s per cent or the gross ton
mage and about 40 per cent Of the
gross value.
Mining Costs
During the fiscal year the direct
mining cost per ton of ore was 1888,
a reduction from the similar cost OF
the previous year of $0.061 per ton
The indirect mining cost was $0.283
per ton OF ore, reduction from the
similar cost of the preceding year OF
$0086 per ton. Total mining costs
were $4166 per ton of ore, or $0.147
per ton of ore, or $O.147 per ton lower
than the previous year.
The direct mining cost per ton Of all
rock broken was $2.050, as compared
with 1884 for the previous year. The
indirect mining cost per ton for al
rock broken was s25O5, as compared
with $0.237 for the previous year
Total mining costs for all rock brok
en- were $2.6s7 per ton. reduction
Of s0090 per ton from the similar
costs of the year previous
Milling and Mill Costs
Extracts from the report of Mr.. A
II. Jones, superintendent OF mills, are
presented in brief herewith.
Tonopah Plant
THE Tonopah plant has been IL
continuous operation, on Belmon
mine ores only, throughout the year
during which period 165,157 dry ton
of ore, containing 32,34szS9 ounces o
gold. and 3,237 .60206 ounces OF sill
yer were milled. The average grad,
of this tonnage was 0198 ounces golf
and 1868 ounces silver. or $685.
per ton The gross value of 1922
94306, calculating silver in bullion a
30 cents per ounce. The average pc
ton value was lower than the per tol
value OF the previous year ($16.72l
by $2.s3s per ton. or by about II pc
cent.
The average recovery was 96.1S pc
cent OF the gold content and 91.69 pc
cent OF the silver content, or combir
ed extraction of 9297 per cent. TIL
combined extraction was 2-100ths {
l per cent less than the combined Q,
traction 1929 per cent? of the pr,
yious year The tailings for the yea
averaged .0075 ounces in gold and liz
ounces silver, or s0.964 per ton (ca
culating gold at $4,000 and silver I
80 cents per ounce). as compared wit
sl.l6S per ton for the preceding yea
While the percentage of recovery. I
above, is slightly lower than the pr
vious year. the fact that conside
ably lower grade (per toni failing WI
produced, indicates an actually mo
efficient treatment.
MiIlers Plant