Kansas City daily journal., 1896-02-15
ABOUT COLORADO MINES.
CRIPPLE CREEK MINES AND THEIR
ANNUAL OUTrur or ORE.
something About What Has Bccn Done In
tho Wondcrful Camp That IL At
tracing So Much Attention.

Special Correspondent for the Journal
IN my previous letters ! have confined
myself almost entirely to the boom and tho
various surface Indications Of prosperity oi
cripple Creek and Colorado. II might be wei
now TO give some idea as to what the boom
Is built on SO Cir as gold production Is con-
cornei ana something about the geological
formation OF the camp
IN 1921 prQspcctu was actively in oper.
huon early in the year ami few paying
mines Were struck which shipped out about
$4,000 worth of gold IN 1Sa2 This outpu,
stimulated the work and In 1893 the outpu,
SS.5o0o6 and in iSa5 Il went 10 81 0Wst oo5p the
output during tho closing months reaching
mated that this rate viii he double In iS9t
anu thc output OF the camp is expected 10
reach S2i.Oegoo during the wear.
. According to the report of Professor
Lakes. Of the Colorado school of mines. tho
gold bearing formation extends over twelve
miles. extending TIA "A soathwcstariy drec.
ton from Pixies Peak In speaking OF the
s'olostcm conditions and ore deposits be
THE croup Of hills containing the mines
OF the Cripple Greek region are made up Of
cia and aEglomtratc formation with small
bodies OF massive andcsite. penetrated by
numerous dykes of phonolite, In the out.
laying region are many phonolite masses.
which are distinctly grouped about this
center and belong to 90.
from a point on the slopes Of pixies Peak
itsplf, seven miles east Of Bull mountain. TO
park on the west Nearly all the larger
bodies seem to be surface masses from
sources Immediately below them"
II will be seen from this that the gold
nnd associated vein materials in the dis
trict have been derived from the Volcanic
rocks and, 20 loss extent from the ada,
cent granite and they have probably no,
come exclusively from shallow sources nor
from the Immediately adjacent rocks, but
from the whole area OF rock In which the
underground drainage was tributary to the
assures at the time Of the ore deposit. The
cruptivc rocks and. TO a less extent gran
ite. an origin assumed on account OF the
peculiar environment OF the gold during
ore deposition rather than on account of
any definite knowledge as TO the relative
amounts OF gold IN these rocks when In an
unaltered condition.
The concentration Of gold in assures re,
quires not only a source OF gold but also
the reagents necessary TO dissolN. the
metal and carry % along until II strikes q
dyke through which it cannot pass. u "
n noticeable fact NJ cripple creek that the
Ilchost veins occur in cruptive rocks or I'm
granite in the vicinity 81 the vents from
which the crHptives were elected. Whom
the volcanic action subsilcd the metal was
salts which dissolved or suspended the
Hence the veins are rich near these vents.
or chimneys and relatively poorer as they
This Is a iittie technical. and win proba.
bly, be far less interesting TO the general
strike. bgf those who are acquainted with
'vI,,ssfr from a technical standpoint VIII real
'ize the fact that The cripple Greek district
deposit being near the source Of supply,
namely the Pixies Peak volcano, is reason
nbly sure TO be a permanent camp ana
continue To shin rich ore for many years To
come. The perWuuruCy OF the boom II
something not TO be thought of, but the
lastmr qualities of the camp itself as a
gold producer are certain. That T., as cer-
tain a. anything in the way OF a mining
ANN can BE- The gold deposit is in veins
and To- brrccla and shows that II - di-
rertly due TO an uplifting OF the substance
''O''' '''' 9 h. EDwoRDs. .