The Cheyenne daily leader. [volume] (Cheyenne, Wyo.) 1870-1884, 1877-12-19

IN OPINIOl
=, HsitAfT fsStls lHfri
Given by a Mining Expert Upon Tbs Veins
and edges of Tho Black HIS.
CENTRAL CITY. Dec. 10, ISL

mort of an oxror, sa,t hr. co,or.do
compapv IN exam;ne tho ,,;,os of tho
R,ack U;,,s 1-h;e ronort Il 30 t,,a
HIGHEST im,,o,t.,ce em,n.t;po .s n
does from an entirely ppnre;ua;cad cep.
tleman of oreat scientific at,a;nmerts
and practical exneriepce His careful
calm iudicious statements cannot he too
bioblv commended and b;s exclamation
of the cement de,os;ts ACCORDING az II
does So we'll with the ascertained facts.
is exceed;polv clear aud ;-poen;ous
The greatest fact of the renort ia the
existence of n true fissnre vein and IL
is only with regard IN this that I would
offer n word of e~xn,anatiop r. , ust
be remembered that the only other fs-
sure vol, trow, IN ex;st ia that of tbe
celebrated Comstock. Nevada and the
dentb to which This is beino worked is
already o7Oo feet the ore be;ng as rich
40 peor tbc surface and with no signs
of giving ont A fissure vein is there
fore , bodv of ore exie,,dinu from the
surface of the Garth down tn unknown
dantbs in fine bowels of tbe earth and
practically ipexb,nstible Tho Colisor-
nj. comn,pv owners of the Uomestake
No 1 ore of this op;p;on and will
shortly test it. as they propose. before
eract;pg their mill tn sink a sixteen
f,,ot shaft IN n depth Of aoo feet. and SD
form , sound estimate of the body of
ora ,I,e,. have IN deal with. If the vein
shopld Inc found still poing downward.
If will conclusively settle this all impor-
tart ouestion of n true 6ssure vein. and
the BLACK Hills. with its still undeyel-
oned silver mines. can then only be
ranked with the hitherto uneaualled
wealth producer on this continent, the
State of Nevada. II will he observed
that the report deals only with what
has been discovered and fully expects
further DEVELOPMENTS of the main vein
tn Inc made in both lines of extension.
THE OPINION OF AN
.sThat there Is an abundance of gold
hearing ouar,z in The northeastern DOR
tion of the Black Hills. and at least one
fssure vein which can be traced for
miles has now heen nroved bevond a
doubf. This main vein. on which are
located tbe Golden Terra the Father de
Smet the Two Uomestakes and others.
crosses pulcb in n direction
from northwest to southeast. The char
acter of the ore is not the same through
ont no will ba shown further IN
.sIn order IN rive n cle,r descrint;o
of the country 7 shall commence with
the Father de smet mine, which is
ohout the centre of the ouariz district,
This mine is the first of a succession OF
onartz chimneys. extending in a course
nearly northwest and southeast. from
Deadwood pulcb throurh Lead CITY tc
Wbitewood rulch. and are evidently q
chain of o~utcroppings from a true ifs.
sure vein.
ssThe gangue rock of the vein is a
dark. ferruginous quartz, containing
Tree TOlu, anu occurs III SITlllReTS tllu
uockets. without any regularity as to
length or width. but maintaining a gen.
eral strike to the southeast.
..The enclosing rocks are mica. schists
and states of several varieties.
.sOwing to the oxidyzation of the
iron by natural causes, the ore near the
surface is easy to work, but, as depth
is reached, arsenical pyrites, white
iron) are encountered, and the proba
bilitics are that the mass of the orr
will eventually become more refractory.
The width of the pay streak is un'
known. as no wall rocks have beer
found. For extent, quality of ore, and
facilities for working, the mine may be
classed as one of the best in the Hills
The Golden Terra, the first extension
south on the same vein, contains much
the same quality of ore. but here the
white iron has disappeared. The quart;
is of a lower grade, but rich stratas O
a tale slate, containing leaf and wire
gold, is found, and constitute a larg,