New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1872-02-08

COPPER MINING HERE AND ELSEWHERE
The price OF copper has advanced TO cents per pou
and the consumption Of this metal has been ineretdD
an extraordinary de gree within the last mo0tD WIZ
from various causes, but principally on account OF W
low price previously ruling the product Of the W0ila IA
been steadily diminishing. Thus the produces OF W
mines Of Chilli which in ISIS Sc 800 tuns has dSih'
down 70 ~ 400 tuns in ISL. and the United khsuom
Great Britain, from product Of ll,i3 tans IN H'' "
of 10 6sOo tuns in 1871. Tue Lake Superior mnesP
duced in ISL about I2ooc tuus. large IropOru0n@
this coming from three or four OF Inc sue"
ful mines, which were enabled to work
fair profit even as prices for copper VIZ
stopped mining operations generally. The sioek@ w
per on hand JAM /, 1872 IN England was 1859 mn'S
ingot against 1900 tuns At the same date MEL ~
1890 tuns in 1870. At Havrc, tAc stock on n'a
ary, 1872. was $3.50 tuns, against $50 tun ID "'
recent extraordinary demand in Europe sps
tent the result OF substituting the br echloAaAs -.
muzzle-loading musket In the standing IM@ "a.
great Powers, thus compelling the use OF ne "@~
cartridge, the shell of which is composed OF sopph
provide armies OF from 200 90 TO 10000 meh w'a'A'
metallic cartridges for prac; Q, and % keep so'"
reserve In the arsenals against the contingency
has necesstated the purchase Of copper 70 al 90.
which appears almost incredible, The L0Hd'h -,
Journal estimating the consumption IN 'ns "'' "a
ture OF cartridges alone ., 800 100 pounn'
tuns, in 1871; while the constant loss OF the ne "a
waste OF the exploded shells OF the cartridge
nous. In the use OF revolyers and brcechloadnt "
ing.pleces Also which are rapidly snpphnths Wv 0r
zle-loading arms, the metallic cartr dye Is ~
and from the mauufa tories 81 tlis destructive
tcle demand for copper has sp,ung mp when p.'I
exceeds its consumption ia any other way -
Hence the rise in thc "a! and stimulus :. IN
mining which is no beginning q manifest ns'"
Lake Superior distric. OF this country "a. N
IL will not be embarrassing at this roint " 80,
changes in copper mining IL this part Of 'n' a
which embraces the only coppcr-bearins 'e. =, IA
worked here The discovery " native copp IA
Superior astonished and cOntounded eeoVeT v,rt
development in masses Of almost puie "a. xond
from 50 % 20 500 tuns, was cons dered scie xcrs
The mines producing these re! ma7Ves ".huir
for a number OF years with great success hnuls
as the Pittsburgh (cliil) and Minnesos "a % \
affairs for the time, yelling 'a-ge dNlIen
profits upon the original Investments ,,,,assoS
was a rapid and unhealthy growth Of mD'' r..eeas
The conn.r.hearng strata eat nding RON ,,sret
Point through Portage and the ontoa's "A. PIT
hased mainly upon the splendid results " tp
burgh and Minnesota sorc OF tlese ~s' N...s beg
very successful but az lcngth the srea' and o.
10 diminish the barrel work proved un'ei' "a al
after another mines were stopped or ieeog As., mid
n length entirely abandoned s'mc " .,aieles
had Introduced stamps 70 separate the '"' ,o.s-ss
copper from the rock taken ont 10 49,, from "a
barrel work; but a. tins process ye'ae, ron
per cent OF metal IN the tan OF r'e.' consider
pounds of metal to the tun crushed Va not sefsS
only as an accessory 10 other mining. Aa vOts
porting. Hence. when masses became 49, mlnes, no
SUSPENDED in a msjor,, OF cases. \ 'a',auces alto
ever. continued TO work. and In thes. lining wh
ton was turned 10 the economies '. .,I,r.tios NJ
bsfor, had been ouy Of secondary S. nore por
and improved machinery was introdue irIl. 20 take
ful stamps 10 crush the rock ANA while att
from the veins, .cpiaced the oiu principles
same time mani Of the oa anu -. !. intelligent
ians rs'S 's. .s ss aos,ce. . Po.'''' '''