Seattle daily post-intelligencer. [volume] (Seattle, W.T. [Wash.]) 1881-1888, 1886-01-01

The presence OF phosphorus or of
sulphur in any considerable quantity 10
iron ore Is destruetivs of its value for
most Purposes, aud it will be sesn from
the result OF the said analysis that
phosphorus and sulphur are present in
the very smallest degree.
IAN iron manufacturer OF Wheeling.
West Virginia, who uses at bis factory
iron ore from Like Superior. pro-
noanoes the ore from tbs Dsnoy iron
mines to be superior TO any iron ore
herstofore knos By him for the m.au
facture Of Bsssemsr steel.
{" Tbs Denny Iron Mining CDmpany
have expended a considerable sum in
prospecting and testing a large VEN of
ore carrying copper and silver. dissov-
cred this year upon their properly d1r-
ing the season inst closed Tue vein
has been opened up and nearly \ toe of
the ore taken to y Francisco aud ~ ,
jected ts q working test 10y Thom 8
Price, as3sysr. Mr.. Price reports il a.
the most profitable copper ore to xIrk
that IA known, where WOO l, lumbar.
pure water aud iron ia found IN close
proximity to the win of o Ippsr ore.
The copper is extracted bv first piling
tbs ore in heaps OF from 2O to = up
ward, and enrnIny the sans ~ \ cpd
/ pit /. burned in making Oh trooIl L q
snlphnr in tn, ore Is suffisi-nt IN u
/ barn th- stme. ~ 1t take3 ls4. THAI nus
/ half cord OF wood to buru 200 :ona of
ore. rns ora confines To barn r. ,tn
/ two to six m1aths, ths tlm of blrning
being dependent upin lh- ql,nuts
burned at sims and th ri ,husSs 4 tn
stms After the bu ming is oomp.eted,
purs water IL turn-d upon the burn-d
| ore. and the water which sseps frD,n tn.
same ia led into trouohs oontsinins
metallic iron. rhs copper in tss or,
IL taken up by the water. from whict
il 10 preeipitsted upon the iron. tn,
iron Disappears "a the copper preoipi
tstss, aus pssses of in the water. Prof
Price says that copper ore bearing NOR,
than per cent OF copper cannot b,
worked By this process, and the cheap
ness with which the srs is treated b,
the above means, and the immens,
quantity Of ore which can be treated al
ons time. makes the low grade ore
m1oh more profitable to work than she
higher grades.
Tho permanent plant, insludinl
works for reducing the iron ore upor
the grounds, would cost no more than
t26 900, and with that expenditure the
metallic copper from the Denny ore CAL
produce three tons Of metallic copper
per day, at an expense OF $50 per ton.
have given an ontlins Of the meth
cd Of working copper BY the ab.vs pro-
cess, because Il ia comparatively new.
Investigated the process and reported
upon the same to the DENNY Iron Min
Ing Company. at spencerville. Nevadr
county. California, where it 10 used b,
tbs San Frsncisoo Copper Company.
The great need Of tots csuntry, from
mineral point OF view, is ohesp trans
portstion. The Iron Mountain IL less
than seventy miles from tide water, by
good, feasible railroad route. and ther,
are therein millions OF wealth, iackins
only railroad to caase its full and i'm
mediate development"
OTHER MINERALS.
Of the valuable ores, gold, silver, cop
per, lead. oinuabsr, etc, have beer
found. Marble and gypsum are found
in King county. Sandstone has beer
extensively qsa,ried on BellinQham BAY
aud IN Pierce county, and 10 found OF
the Dawamish river IN King county asd
In many other localities. Remarkabi,
specimens OF kaolIn have been exhibit
cd, and clay. suits 10 for Building and
friedrich, IL plentiful and well distribu
ted. N-w discoveries OF galenz aud
the ohlorldes are reported in the Col
VILE district. strong Indications Of De
trsl-um are fsnnd IN Pierce coanty, and