The Anaconda standard. [volume] (Anaconda, Mont.) 1889-1970, 1899-09-22

dence by the plaintiff, and called por-
phyry by the witness, Mr.. Tower, was
brought out, and then Mr. Bulky said
that his opinion that the sample was
clay had not changed. He would not
call the sample porphyry no matter
where he found it--even in Alaska. 1t
resembled porphyry, and might have
been porphyry before it was ground
up and transformed into clay.
Does resemblance in this case con-
stitute IDENTIFY" asked Mr. Patter-
son.
No, sir said the witness.
The witness said that there are diff
ferent kinds of porphyry, and some of
the varieties were defined. He explain
ed the difference between sulphides and
sulphates of copper, saying that the
latter are produced by the oXidiza ton
of copper ore.
Mr.. Patterson read a statement from
a book on geology covering the authors
views on the civilization of copper
veins by water near the surface. Part
of the statement was to the effect hat
the process was not thoroughly under
stood, and Mr.. Bulky said that the
statement related the present phase of
scientific knowledge on the subject, as
he understood it.
The witness said that the distance
between the faults on the 500 level,
while 345 feet. when taken on hori-
zontal plane. is only 230 feet when
taken on a line representing mean
between two lines. one drawn at right
angles to one one fault and the other
at right angles to the other fault and
between them.
is this point the widest point dis
closed in all the workings in the ground
between the faults?" asked Mr.. Pat
terson.
Yes, sir" said the witness.
And is there not a marked diininu-
ton in the distance in both directions
from that point?"
Yes, sir
The witness said that while the pop
ular notion of clay is that it is a soft
plastic material, it becomes powdary
when dry
The redirect examination ended, and
the re-cross examination was opened
by Mr.. Hughes
The witness repeated his previous
statement that he was not qualified to
state whether re-enrichment or second
AIRY deposits of copper sulphides &C.
Cured in the Controverted ground.
He admitted that the book on the
Ducktown copper mine, which holds
that secondary enrichments are open
to question. is As years old, but said
that he thought there is difference of
opinion among eminent authorities to-
day.
Mr.. Hughes read statements on the
subject from a book by Phillips and a
paper by Douglass, two eminent writers
on mineral deposits, in which it was
laid down that secondary enrichments
do occur, and cited the Butte mines as
an instance, narrating that in some of
these the veins are minus copper to
depth of 400 feet, and then below have
very rich zones of secondary enrich
ment 200 feet deep.
The witness said that these writer's
may be right, but that he understood
that there is a disagreement upon the
part of equally notable authorities.
Mr.. Hughes asked him to name some
of the latter, and he said that Clarence
King was one. MI. Hughes asked MIN
if Mr.. King was not already witness
in the case when he discussed Mr..
Kings views with the latter, and he
said that such was the case. He could
recall no book of adverse views.
Mr. Bulky said that sulphuretted n.y.
drogen would precipitate the solvent
minerals brought down by the water
that leached the upper. OF oxidized,
part of the veins, should they meet. He
did not know whether the seasonal
fluctuation of the water in the ground,
as respected its depth would account