The state herald., 1913-09-12
METALS IN COLORADO
PRODUCTION IN 1912 $s,ooo,ooo
Z GREATER THAN IN 1911.
Large Increase Shown In Zinc, Lead
and Silver Output, But Decrease
In Copper and Gold.
western Newspaper Union Now. Service.

Washington.-The gross value of
Colorado's output of gold, silver. cop
per. lead, and zinc recovered from
placers, from gold-silver bullion, and
from ore sold or treated in 1912, was
$S7, ,320,966. as compared with $32,41S,-
2l8 In 1911, an increase In value for
1919 of s4.902,74S. or 1b per cent, ac-
cording to Charles W. Henderson, Of
the United States Geological Survey.
These figures are compiled and tabu-
lated strictly as a mine report and
with reference to the locality of each
Individual mine, and not with refer
ence to the locality of the shipping
point Of the product.
The production of gold in Colorado
In 1912 showed a decrease in value of
S413.41S; OF silver. an increase of $751;
902 ounces; Of copper. decrease Of
s17.1S5 pounds; Of lead, an increase OF
5.562.97S pounds; and Of zinc (figured
as spelter and zinc in zinc oxide) an
Increase of 37.615.356 pounds. With
| hhSAcoseu ihoAA piASSo ioA bh'cis
copper. and zinc. there were increases
In value Of $169.644 for copper. S1.165.-
434 for silver. $250.334 for lead. and
$3,73o,749 for zinc.
Cripple Creek Principal Gold Pro-
dueer.
The output OF Cripple Creek in
1912 showed an increase of S445.709
In gold. the production being $l1.O0s.-
1862, or 50 per cent of the. total gold
yield OF the state. The shipments Of
medium-grade ore from Cripple Creek
to the custom milling plants showed a
small decrease. but the shipments of
the hlgher-grade ores to smelters
showed q small increase and also an
increase in Its average content Of gold.
as well as a heavy increase in low
grade dump and mine ores sent to
cyanide and cyanide-concentration
mills in the district. and also an In
crease in amounts recovered from old
taihngs, shines. and "clean up OF
closed mills. In 1912 cyanida.lon COM
pletely superseded chlorinaticn In the
treatment OF Cripple Creek ore. The
San Juan region, in Dolores. La Plata.
Ouray, San Juan. and San Miguel coun-
ties. showed decrease OF 100000 In
output OF gold. ouray county showing
the largest decrease. There was also
4 decrease in output from La Plata
county. but an Increase from San Juan
county. O0er counties showing an
Increased output OF gold were Chaffee.
Gilpin. Eagle. Park. and Summit. The
placer output OF gold was si23. .ss5. an
Increase OF si04.l26 over the output
Iof 1911.
Leadviile Leads In Output Of silver.
Leadvilie lake county continued to
be the chief siiver-producing district
OF Colorado. its output being 3.000.397
ounces, which represent 81 per cent
OF the state yield. The chief silver
producing counties in Colorado In 1912
were Lake. San Miguel. San Juan. Min.
eral. ouray. Pitkin. Clear Creek. and
Glipln. in the order named: these coun.
ties confined furnished SO per cent
OF the total state production. Notable
increases In output OF silver were
shown In San Juan. Mineral. and San
Miguel counties. and notable de-
croases In La Plata and Clear Creek.
Decrease In Copper, Increase In Lead.
Copper production in Colorado de-
creased from s.o2i.tss pounds In 1911
to 7.i07. .303 pounds In 1912. Lake.
San Juan. San Miguel, Dolores.
Clear Creek. and ouray counties.
in the order named. were the
largest producers. Lake county
alone furnishing 2s per cent.
San Jaun. Is; Gilpin. II: and the
seven counties combined. 90 per cent.
The production OF lead In Colorado
Increased from 69.679.2s9 pounds In
1911 to 75.2i2.267 pounds in 1912.
Lake county ranked first. and was fol-
lowed by San Juan. Pitkin, San MI.
guel. Mineral. summit. and Clcar
Creek counties. In tho order named.
Zinc Output 100000 Lbs. Greater.
Tho zinc output OF Colorado I'm
terms OF spelter and zinc In zinc
oSidc) was is2.22s,Si2 pounds In 1912
as compared with si.eoI.i56 pounds In
1911. nm increase for 1912 OF $685.
500 pounds In quantity and of $780,.
7ig In value. Lake county. with nm In
crease for the year OF 3f,335,33I
pounds. furnished i05.eib,7s3 pounds
or 80 per cent OF the state yield. The
output OF zinc carbonate ore from
Lcadvillc was it2.7s? tons OF 2p.s per
cent zinc. against s5.e05 tons OF 81
per cent zinc In 1911.
Increased production OF zinc was nj
40 made In chaffoc. Clear Greek
Dolores. Eagle. Fremont. ouray. Pit
Kin. Sagraehe. San Juan. and Sum
nit coantics. and appreclable do
crcaaes were made In Mineral. Park.
and San Miguel eountica. Zinc pro-
duetion In concentrates amounted TO
sJ.0bJ.s5t pounds. ana In crude ore to
sG.iGs.sbs pounds.
srha rtna autuhtdo ofe nhinDad In.