The semi-weekly miner. [volume] (Butte, Mont.) 1882-1886, 1884-07-26
,,dividual and Personal.
FOR THE MINRB.l

,,,,1phS FOR THE MINKB.
lam ridentem cicero verum quid
,,stI Horace
"", $40 convulsions that caused nature to
u Wv" beneath the ocean the Rocky
!bflH =. =. .one singular tasius can be OBJ
StD"'ab his section is not. however, one I'M
sSS .s,in; but, on the contrary, the greater
b'D' tts surface is covered by rock-ribbed
pHhDm~. whose lofty peaks, grand slopes and
GOHp" Al nausion of foothills seem, to the
iInD ahsaryer, TO occupy most Of the face of
tiA.v The general trend of these
:s .";ns Is from north to south. Butte is not
noun', home for the agr.cultnrist or a graz
ans.adise, but i; may safely and honestly be
iIsp.o.a the Ell Dorado for the adventurous
pU xsture was in her ecc nitric mood when
h..n,inr this region ana turned OUT some
'0in results from the store'ho''se OF time. l
sfADse .boofod" it from Helena to Butte.
h"s'u'" s,re had q good opportunity to study
ANU aaO1ogv of Boulder valley and Basin City.
mes'Ono- from Jefferson City to Butte OBJ
lhe of weired and picturesque
serves uere wish to caution your unscien
%ehe''' sgalu>t falling into the usual mis-
.sSe of ~supposing that such scenes as reier 10
",a-a marked by any suoaen dev,a'lons or
.a,ronbe, of any kind whatever, though I'M
,n',,tsdly Mother Earth must nave shaken and
uou"s.+ times when ell these magnificent,
son.u n~,ountain ranges were being evolved out
n, her maternal boSohl'
1ir,s an element of such prime Importance,
tho infinite, inexhaustible qualities in
WV lshora,ory, and the greatest results
-, nroduccd by the g~entlest means. Foun'
,o,io,s thousands OF feel III oepin, may De iald
~ slowly that u century will mark no sensible
,,d,tion. In this way the auriferous states OF
SaI,f,rnja were laid down, ere the Sierra was
-;.d from the "dep;hs Of the ocean" So was
w. rec;on from Jefferson City to Butte, the
s'.,,o ,reasure-house of the world. For the
au,nose Of illustrating the changes OF strata
p,d FIXING an ideal locality Of the mineral or
va hearing PORTION, let your readers imagine
,hov s,e locating Claims as fast as they can in
,ha vicinity of Boulder and Basin cities Near
~. villages IN question future veins equallipg
Il, richness the Anaconda, st. ] awrence, Lex
,n,ton Moulton and other justly famous mines.
sill be found, l am inclined to think. The
rs,uable mines do not come out of the earth
yse foods of lava. but are the result OF depo>1t
nh. the stratifed rocks. perhaps owing tn q
inc been held long ages ago in solution in the
,a water. According to some geoioglcal
critters sufficient time elapsed between the de
o,tt of the prophylite and trachyte; according
% o,her geol .gi,ts the upheaval caused numer-
ans rents and assures, even through the solid
,yptic rock, and NOR. especially along the line
# function of the different rocks.
Through the latter cleav-ges or assures poured
out what is called by some andesite. on account
n the peculiar cry.tallizations found in 1t. It Is
a. dark color and is known ny different names |
.mong old miners. 1t is known to have been
rupted subs. quent to the upheaval of the
for 1t can be observed spread out IN |
horizontal layers over the inclined propylites
md trachytes which forms the stomach OF the
During this disturbance the Butte
mineral veins, or rather 'lodes." were former, |
he ERUPTION IF the veins seeming to be closely |
connected with the deposit OF mineral. These
rocks ave frequently known as porpayry, a term
rather descriptive than purely technical, gen.
srslIy meaning any kind of rock thai has been
o far altered bv heat. pressure or exchange OF
mineral bases as to have crystals OF feldspar,
caring different Names, scattered through the
of he rock Whenever in any OF the dy-
disturbances a portion oft Re overhang-
q wall broke off and fel, In the chssm, it be-
me what the miners call a ~porphyry horse.
~ 7 have observed between Boulder and
lite some syenite. a granite rock, comp SEQ
ere of two kinds Of feldspar, (orthoclase and
goclase) hcrnhl nde in laminated prikms,
,e mica. and occasionally spidate, hut no
puzz'ed me. This section OF
rntry from Bould r City to where now write
Md puzzle, I am inc ined to think, all those
ipent theoretical geological professors In our
and collie ,es-ln fact, "Old NICK
10 assembled from Ha1es would be ant to
atch his head and tear his hair In sheer de-
,r Near B.sin City l observed "noats
,,ch denoted overhows Of quartzose porpyhry.
~eruptiye rock, which, however, Is OF no I'm
rtance. only that it occasionally forms the
II walls of, generally speaking, poor-paying
ms.
geology Is Q science resembling
mewhat Butte as a city-as both may be
,ically described as in their infancy-com-
rati ,ely speaking. They are fine, generous,
young babies, or "gossoons,' who
II never descend to the level of the effemi-
tie drspi, able Washers and dudes. Both have
splendid, glowing and glorious fu-
re awaiting them. Let the premier city ut
,ntana keep race with the advances Of the
ence referred to, and ere many years he will
we Portland, by the banks Of the classic %
and every town from Chicago to
n Francisco, far away behind her In intelI
nee, population, Samaritanism, and though
> not l.oSt-;n wealth and beauty.