The Harrison times. (Harrison, Boone Co., Ark) 1876-1938, 1906-04-28


sive formation. aud, while the greater
portion of 1t would have no more econ1
omie value than that of a high grade
limestone, there is also an inexhaust-
able supply which grades up to quail
ity fully equal to the noted Georgia
and Tennessee marbles. In color these
are jet black, red, pink, white. yellow
and also notified or variagated, and
banded. The expense of quarrying
would be very trifiing, since in most
instances II occurs in the hills above
all drainage, The industry of quar-
rying and shipping. and shipping the
more valuable portions of this rock is
destined to be an extensive one, and
will. of itself, constitute quite an item
in railroad tonnage.
sAccHARoIDAL SANDSTONE.
This is also known as the st. Peter
sandstone, and is the same referred to
in Owens Report as the Upper Sand
stone" 1t does not occur in the East
ern states, but seems to be entirely a
western formation. 1t is a very prom
inent bluff at St. Anthony's Falls,
Mimi. and is the equivalent of the
massive exposure at Pacific. Mo-, and
from which superior quality of glass
is extensively manufactured at Silica
and Crystal City. Whether it occurs
sufficiently pure for this purpose in
Arkansas the writer is unrble to say,
though thinks it is doubtful.
LIMESTONE.
1t is in the thiek-bedded magnetism
limestones, where the ores of zinc and
lead are usually to be found, and 1t
usually occurs that the zinc occupies
the lower level. These limestones
constitute the surface or country rock,
extending from Fulton and Lawrence
counties on the east, to Boone and Car
roll counties on the west. Every one
of these counties can be reckoned on as
possessing rich treasures of lead and
zinc, and some of them may not fall
far short of the two that have been fig
uring most prominently before the
public. In addition to the contained
ores there is quite an economic value
to portions of these limestones-for,
building purposes. making into quick
lime, and for fertilizing where the soil
is principally silicious.
The changes occurring in the differ
ent members of the second Magnetism
limestone series are quite frequent,
and it would be difficult to give a de-
scription of them that would generally
hold true. While dense and hard in
one locality, the same member few
miles away may be comparatively soft,
less crystalline. and even shaley.
LEAD.
The lead of Northern Arkansas, so
far as present experience goes, is con-
fined, principally to the Subcarbonif-
erous formation, and consequently ov-
erlies the marble. 1t, however, at
times, is found in the Second Magnes-
ian limestones, not only in openings,
but also in the regularly disseminated
form. 1t has an exceedingly clear,
bright lustre on recent fracture, some
what resembling polished steel-differ-
ing much in this respect from the lead
of Southwestern Missouri. Owen de-
scribes the lead from Woods mine near
the head of Georges Creek, as being
pure sulphuret of lead, without any
impurity but trace of silver. Speak
ing further of lead ores. he states
"Galena, a sulphuret of lead, is the
only ore of lead as yet found in the
northern counties of the state.
They are almost pure sulphuret of
lead, 1874 parts sulphur, to 800 parts,
lead), being perfectly free from zinc,
anthony and copper; only three of
them containing appreciable quanti-
ties of iron. Analyses showing aver
age composition and purity of galena
from the CRANKY region give the fol-
lowing parts: Silicious DOL; lead 400;
iron 0.l6; zinc 0,94; lime O.42; silver X
OF. to the ton. This is about the pur-
est lead of the Joplin district.
ZINC.
Regarding the origin of this ore, the
opinion of no one is entitled to mork
respect than that of DIR. Owen. Show
ing that he was fully alive to the iin :
portance of the subject, he started out
in an effort to reach a conclusion
through analyses of the different rocks
with which II is associated, and in
which it is contained, but left no the
DRY or opinion based upon such hypo-
thesis. He later, however says: "Some
specimens of ore found at these mines,
convey an idea of simultaneous deposit
ton of zinc and dolomite, (calcareous
carbonate of magnesia,l while others
rather indicate an infiltration of zinc
through the interstices of the previous
ly formed rock. Perhaps the most
probable explanation of these phenomI
ena is that the ore was first in the state
of a sulphide, and was subsequently
changed into carbonates by some rel
ciprocal play of chemical affinities act-
ing from the interior upward. The in
crease of the sulphuret as you descend
in the rocks, and the general structure
of the deposits. which resemble invert-
ed cones, showing a divergence at the
surface from central point of action,
together with the existence of carbon
ate of zinc, in the associate rocks and
clay, rather favor this view of its for