The Salt Lake herald. [volume] (Salt Lake City [Utah]) 1870-1909, 1897-04-07

]. F Gibbs, formerly of Deseret. but
who is now engaged in mining in Mount
Badly district at the present time, ar
rived in the city yesterday on mining bus
mess.
Mr.. Gibbs is a geologist of considerable
note. and has seen service in this direc
ton in the employ of the government.
besides which he has given considerable
time and study to this interesting sub
ject in the mountain ranges of the south,
and during the past Is months he has
paid especial atteud)n TO The formation
of the country in the vicinity OF Mays
vale and he is fully satisfied that ne has
succeeded in solving tne perOle;Ins prob
lem regarding the GENERALIZATION of Mt.
Badly district
In an iDterviey relating tn this subject
NJ. Gibbs said:
''Marysvale is all right. and is slowly
but surely solving the surface problems
which have VeXed mining mcl Of that
camp from the very beginning. Ii is a
characteristic of the Nt. lialdy district.
especially. that nearly all the groupings
OF veins are found in blanket form. which
Is not their true position The races are.
from a geological STANDPOINT. that early
in the thickening IT ihe earta's Gust.
that portion now known as the Mt.
Badly district or south of Bullion canyon.
was base he'd of quartzite. with u nearly
fat surface The crust being thin and
weak, numerous fractures occurred n the
QuartZlte bed and great MASSES settled 10
profound depths-deep into the molten
bosom of the cooling globe. Those sub
sidences of portions of the quartzite
formed great basins and left nearly YER
teal walls. thousands of feet high stand
ing as unmistakablc evidences of the sub
sidence. Then followed the silurian age.
enormous in its Importance as crust
building factor. ard its duration: so long.
IN fact. that no conservative student OF
the subject has cared to venture an opin-
ion. Limestone to the depth of thou
sands of feet was deposited and butt up
against those towering quartZite walls
Subsequent seismic disturbances occur ed
and the contacts formed by the junction
of the lime and QuaI tZite walls afforded
easy anerat lures or lines OF ieass re-
sistance. up through which great masses
OF trachyte and porphyry in mud-like con-
dition, flowed from the heated interior of
the earth TO the surface and capped
the lime and ruartzite. in places com
pletely hiding il. In those sections where
depressiOns occurred in the surface OF
the 0uarIZite. limestone had spread out,
forming beds of greater or lesser thick
ness Bear IN mind that the trachyte and
porphyry also capped the lime and Il
will be perfectly clear tnat TWO olauket
contacts were formed the lower one be-
tween the QuartZite and lime. the upper
one between the lime and trachyte. or
porphyry. Vein forming forces then be-
gan Hot acidulous waters carrying sill
ca and the metals in solution. assembled
alorg the vertical contacts or functions
of the duartZite trichyte dykes and the
lime On reaching the surface where con-
ditions were favorable the vein burst
through and formed groupings. more or
less irregular. and in other places large
blow-outs of quartz
Where the trachyte Gaping was too
thick or dense to permit of compact
lodes being formed. the veins scattered in
the form of stringers. and in majority
of instances in the Mt. Badly district
out along the fiat contacts and formed
blanket veins OF more or less leanness-
Those blanket veins or. leads have
been the great bugaboo OF Marysvaie-
forospectors have found these blankets
ard run short tunnels into them, and
naturally finding bat little to reward their
j. bcr have thrown many Of them up in
DISGUST. not realizing that a few nun
dred feet distant magnificent vertical
veins await patience and perseverance.
.''rhe only solution of those surface diffl-
clIitses is to follow the blankets until
Ike true vein is found and in 90 per cent
Of those cases success viii crown the
efforts OF persistent prospectors with val
liable mines.