Wednesday, November 2$, 1904
THh bUMPTER MINhR
4
li
.
DUAL PR0DUC1 PROCESS TO
TO HANDLE STANDARD ORES
Prof. Nicholson Explains the Results of Exhaustive
Tests of Copper. Gold and Cobalt Made
in Denver Recently.
On exhibition at the office of the
Killen, Warner, Stewart contpay are
six bottles of Standard ore samples,
showing the various stages of
analyses and tests recently made by
Profesior H. H. Nlubolson at Denver.
The tests were made by Professor
Nicholson, who h consulting euglneer
and general western mine manager
for the company, to deter imne the
most offloaclous process for saviug
the high cobalt-gold-copper values
iu Standard ore. Ono thousand
pounds of ore were used in the tests.
Concentration, with adual product,
was the process evolved. The first
product, which is of coarse grain,
carries the main cobalt-gold values
in the following. propertion: .Cobalt,
seventeeu to eighteen per cent; gold
,950 per ton; total value of concen
trates, 9270 per ton.
The second product carries eight
per ceut cobalt, some gold, and
PRODUCTION OF
PRECIOUS STONES
The report entitled "The Pro
duction of Precious Stones in 1003,"
which George F. Kunz has recently
prepared for the United States Geo
logical Survey, contaius a nummary
of the most recent discoveries of
gems throughout the world and de
scriptions of their latest uses iu
jewelry.
Within the year important and
xtensvie developments In diamond
mining have beeu made iu the Trans
vaal district, and it is clear that
diamond depos.ts of a cbaraoter
similar to those of Kimberley and of
very promising richness exist
throughout a wide area lying east
of Pretoria. Many mines have been
located, and about 100 prospeoting
sbatfi have been sunk to differeut
depths to test the nature and the
extent of the deposits. Among tfce
mines actually in operation, by far
the arose important is the Premier,
whiob should not be confounded with
tho De Beors Premier. Its output is
superior in yield per load to that
of the Oe Beers pn perty, but the
diamonds bring only about $G 75
per carat, while the Da Beers Kim
berley stones are wouh 911.02 per
carat.
Considerable interest has lately
been manifested in the mining of
beryls and tourmalines In the pro
vince of Mlnas Geraes, Brazil, where
a number of remarkable blue and
green beryls have been obtained.
One of the green beryls was a
crystal that weighed 18 2-3 pounds,
more than twice the weight of the
great beryl in the Imperial
Academy Mining School at St.
Petersburg Russia, which la valued
- it. -, . . I
ueiny mi or me nop per oouiaiuea iu
the ore, the total value being 9210
per ton.
The third product represents the
tailings from the Wilfley oonoontrat
ing tables, used iu the process, and
oarry an infinitesimal percentage
of "obalt, and a trace of gold,
with a total value of 97 per ton.
The forth product represents the
slimei, whose value is less thau
nluety eight cents per ton, showing
the extraordinary baviug effected by
the dual produot process.
Very little, If any, silica is con
tained in tho first produot.
Professor Nicholson personally
made the teats iu a Denvor plant.
They were so thorough and exhaus
tive that be undertakes to reproduoo
exMot results iu practice
Professor Nicholson expects to
visit the Standard next week prob
ably Tuesday.
at 913,000. During 1003 m remark
able discovery of bluo beryls was
made near Rio de Jaueiro. Those
were deep blue crystals, from which
single gems were cut that weighed
100 carats eaob. At Villa Rica two
dozen maguitloeut crystals of euclaso
were fouud which measured from two
fifths to 13 luohes.
Amoug the various green minora Is
used by the auoiontH for decorative
purposed, compact fuchsito muse now
be included. Mr. Kunz quotes
Professor 11. A Miers, of Loudon,
who has studied tho fragment of a
Romau statuete composed of this
material and believes that it was
probably one of the manv kiuds of
so-called smaragdus. Pliny's de
soripttion of one variety of this
mineral la suggestive of this com
pact emerald fuobsite
The perldotitio -dikes of Elliot
aounty, Keutuoky, which at oue time
were considered a possible source of
diamonds, because of special resem
blance in their oocurreuoe to the rock
at Kimberley, South Africa, have
reoeutly yielded Home fluo pyrope
garnet aud oliviun of gem quality.
Some pyropes have also been obtained
from a similar periodtitio dike at
Highland street, Syracuse, New
York.
The obapter on spodumeue,
biddenite, and kuuzite is one of the,
most interesting iu the report. The
Hud ing of the new variety of the
transparent lilao spodumeue in
California (whiob was christened
kunzite, after the author of this re
port) is oue of the most uotable
discoveries of a gem mineral that
has been made In a long time. It
out only adds a novel aud elegaut
atone of purely American production
to those used in jewelry, but a stone
that has great scientific interest from
the remarkable properties it posseses
in connection with the action of
Roentgen (or X) rays aud those of
ardium and like substances. These
large and beautiful crystals were first
obtained early iu 1003, close to n do
posit of colored tourmalino, Itself of
notable interest, a mile and a half
uorthoHat of Pnln, iu Shu DIoro
couuty. California crystals resemblo
tho spodumeuo from North Carolina,
but. for beauty, transparency, aud
great size of perfect material thoy are
not equalled by thoao obtained from
any known locality.
A discovery has latoly boon mado
in tho Sunrise mine, near Hartvillo,
Laramio county, Wyoming, of a
beautiful miuoral association, con
sisting of a brilliant coating of
quartz crystals ovre a blue or groou-iBh-bluo
copper silicate. This quartz
Is generally thick enough to tako a
polish and makes a very pleaslug
ornamental stone.
A magniflgceut serioa of agate aud
chalcodony specimens, ranging from
two to six inches iu length aud four
inches across, beautifully polished,
was shown iu the oxhibit of the state
of Texas at the Louisiana Purohaso
Exposition. Theso agates wore found
iu a great many placos in the
counties of Pecos, Brewster, Presidio,
Jeff Davis, aud El Paso. Large
masses of moss agate bavo beeu dis
covered in tho Hartvillo mluiug dis
trict, about 130 miles north of
Cheyenne, Wyoming. More than
seven tons of it woro mined (during
tho year 1003 aud sout to Gormauy
for cutting.
Mr. Kunz's report is an extract
from the survey's forthcoming volume
"Mineral Resources of the United
Statos, 1003." It is also published
iu separato form aud may bo obtained
on application to tho Director of the
United States Geological Survey,
Washington, D. C.
MILL FOR THE DIXIE.
Zooth llouser has purchased
through the Bascha-Sage Hardware
company a five-stamp quartz mill for
his Dixie mine near Quartzburg.
The purchase was concluded iu this
city last evening, Peter HuhoIio, presi
dent of tho company, being bore for
that purpose. Tho macbinory is Iu
various lots, a mortnr being at tho
Sumpter Valley depot, stamp dies,
caniBhatfs, battery frame, and mis
cellaneous oquipmeut being located
In othor parts of tho camp. It will
be gathered together this week aud
shipped to Tipton by rail for trans
portation by wagon thence to Quartz
burg. A steam plant and rook
crusher are already installed- at the
Dixie mine, and Mr. llouser expects
to have the entire milling plant In
operatiou withiu thirty days.
The Dixie group cousist of six
claims, dovelopod by about 000 feet
of tunnels. A magnioient vein of
froe-gold ore has beeu opened up,
aud a forco of mi tiers is now biiHy
taking out ore iu the proaratiou for
milliug operations.
Mr. llouser, owner of the Dixie, is
also a heavy stockholder iu the Stan
dard mine, a contiguous property.
To a Miner mau Mr. Houser said
today that' tho uew mill wilt begiu
crushiug oro iu about thirty days.
The iuitial run will be on exception
ally rich rock, a large lot assaylug as
high as 91,H00 per tou.
Gelser Leases Dell Group.
Albert Geiser, of the Gelsor
Henryx investment company, has
taken a lease upon the Dell group of
mines, in the Sparta district, owned
by T. L. Kelly. The terms of the
deal have not beeu made public,
The Dell group la looated near the
Gem mine, which is being success
fully operated by the Geiser-Heudryx
company. J
BAROMETER AND
UNDERGROUND AIR
Some tlmo sluco Prof. Liudgron, of
tho United States geological survey,
whilo eugaged in tho survey of tho
Crlpplo Crook district, fouud that
tho atmosphorlo conditions, as in
dicated by tho readlugs of an aneroid
barometer, bad a direct Influeuce
upon tho conditions of the air under
ground in mine workings. The
normal barometric readiug at 10,000
feet, i which is approximately tho
olevatlon of Cripple Creek, is 20.48
inches. When tho barometer In
dicateH a lighter presssure than the
normal at any of the mines, It is
fouud that the heavy carbon dioxldo
sottles la tho workings and Is moved
less readily by tho ventilating fans,
or othor moans of ventilation.
At tho Anohorla-Loland mine n
barometer is daily consulted to noto
any material ahango in atmospheric
prossuro. Wheu the night shift
leaves the mine hero are no workmen
underground for sovoral hours. It
is the duty of tho watchman to noto
tho barometric reading, and If It Is
lower thau tho normal he turns
steam into tho workings at intervals,
which Iiiih the etfect of absorbing tho
carbon dioxtdo, and tho atmosphere
underground iu purified.
There aro many mines In Crlpplo
Creek iu which the air la no bad at
times as to seriously Interfere with
work. At the Anchorla-Lelaud there
has been much Inn of time due to bad
air. At one tlmo when driving a
levol tho gas entered the mlue from
fissures iu the rocks so as to reuder
furthor work for tne time being im
possible. The expedient of lining
the drift with tin was tried, but this
afforded only temporary relief.
Sluco tho introduction of the
baromotor and the blowing of live
steam into the workings at such time
as is indicated by low readings of the
barometer, the conditions have
materially changed for the bettor.
Doubt loss thore are many placos
where this Ingenious method of
watching the air circulation of
underground workings maybe adopted
with equally satisfactory results.
Mining and Scientific Press.
GofcondaDeal at a Standstill.
J. A. Howard returned today from
Pendleton, where he wont some days
since on business pertaining to the
reorganization of tho Golconda.
Kegurding that deal, he merely con
firms what was stated in these
columns yestorday, on trie authority
of Attorney Richards; that thus far
no progress has boon made iu gutting
the two factions together on the
Prusslug proposition; that it will
have to be modified before any
agreement can be readied.
Sllvorwaro of all kinds; will te
very choice wheu stock is complete,
which it soon will be. F. C.
BROD1E, jeweler.
Just reoeived at Johns', a straight
carload of potatoes, squashes, celery,
pumpkins, beets, turnips and all fall
vegetables.
F. O. Brodie has a display of
elegaut.out glass. Call aud Inspeot.