Mohave County miner., 1900-12-08

and it will in time burn out. This will
happen as soon as the sulphur con
tained in the ore is consumed or ex
PEELED. Then the roasted mass will b.
In prime condition to run direct to tn,
smelter, thus saving the expense of re
handling at the furnaces. The immense
profits "t the United Verde copper
mine, Arizona, owned by William A.
Clark of Montana, are due to the com
bustibility of the sulphides in the ore.
All of the roasting is done there in the
open air at a trifiing cost. The ore, as
it comes out of the mine. i, carried by
electric cars to the hill,ides. and piles
containing thousands of tons are ig-
nited by the simple operation of start
lug small wood fire with a few sticks
inserted here aud there ia the big mass.
The sulphides burn readily. Combus.
tion Is maintained without any atten-
ton until all of he sulphur in the
mass is exhausted or expelled, when
the ore Is ready for smelling. Ii takes
about sixty days to burn out an ore
pile at the United Verde mine. 1t may
take quite as long for the burning ore
heap in the levels of the Iron Mountain
copper mine to exhaust itself, but the
stockholders are not likely to regard
its Ignition as a calamity TO be depIor-
ed, though it should burn few tim
bers. The fire is, at all events, not an
uumixed evil.
Thomas G Davey, f. q. S. of Lon
don, who has been in this section for
some days examining the Mammoth
Collins Gold mines, limited. came in
from the mines Thursday, having com.
pleted his examination. He will leave
this morning for Clifton, where he will
look over some mines in that district.
for English investors. Mr.. Davey is
Que Of the most experienced mining
engineers of England or the United
States. He comes from a family of
mining meu of good repute aud high
professional standing aud his opinion
l. accepted on matters connected with
his profession. For ten years he was
manager Of "A rich producing group of
Euglish-Owned gold mines in Mel |
bourne. PreviOu, to going there he
had enjoyed wide experience on the
especially in Spain. At Mel |
bourne he was an accepted authority
on all matters pertaining to metallur- |
gy aud mining, and was honured with
several i'm pOrtant offices, all of which
he administered with honor and dis +.
to himself and his constitu. |
ency. 1t was probably the reputation
he thus made which had caused Eng |
liSh investors to place so much cOufi- |
dence in hi, judgment and integrity. /
While Mr.. Davey is very reticient re-
gardiug his opinion, or the result of .
his examination of the Mammoth mines
we will venture the opinion that he is
pleased with the property, which is
owned by his people, for he seemed to
like the district, the mineral showing.
aud at all times was on mighty good
terms with himself from which we in
ferI ed that be had good news for his
company. As to the management, he
lid not hesitate to say that it was all
hat could De desired, and that he was
pleased TO observe the good results
which had been achieved under the
many adverse conditions which had
1een met and overcome by Manager
Blair. The Star predicts that as re.
ult of Mr.. Davey's investigation vast .
improvements will be made in all de- q
'artments of the machinery of the /
mines, and that the old Mammoth
nine, in the near future, will be work ;
d on grand scale.--Tucson Star.