The Garland globe. [volume] (Garland, Utah) 1906-191?, 1914-01-24

established; the canyons were cut to
a depth not far different than at pres.
ent.
Az this time our climatic conditions
so changed that The precipitation was
greater Jhan the drainage III TINS sec
tiOn. DuIlng the Llme UI the uecille
VI ms Garner sea The opposILe seenls
20 nave been true. The condition q.
The increased precipitation over eyap.
Grafton scored moisture III The grea.
Dasln 10 again hi The basin with Wa
ter TO the rim. A lake was formeu
nearly equal III size TO Lake michigan,
this was the oid Lake Bonneylne. I,s
surface rose 10 about the 5,UvU Zee.
contour above sea Ievel. AT this sage
It was tapped by a branch OF the rur.
.NeuI, LnIUugn marsh paney and lne
heu rass anu lei zoo feeC In d com.
paratiyely short time. AT this sage
iC renamed Tor a long period. AT this
stage great terraces and deltas were
lorneu All through the bear klyer
Naiiey. These are the pronounced
mats and benches which are now De
ing extensively formed
II has been variously estimated tina.
1t Is from 10000 10 lUU,OUU years since
bonnevliIe $1,000 at It's highest leyel,
which Is probably not lar dItteren.
from The time since It $1,000 at It's
ieVei when the large benches were
maue. Inc lake SINKING below This
ieNei was owing TO change IN climal.
&c conditions III which the evaporaL ion
was again more than the preclpiIaIlon.
lhIs change was not constant. Inc
iaKe seems to have reached a period
OF resting at long intervals, and when.
ever this happened new terraces were
cut inCo II. these old records may
now be read in the sides of the Bear
River Valley.
With the gradual disappearance OF |
the lake we seem to have large in.
dependent bodies of water formed in
the valley in which the water remain.
ed comparatively fresh for Ions per.
iod. In these smaller bodies OF water
limestone deposits were formed, not
in the form of stone, but in the form
Of mari. The old lake was lined with
clay; but on top Of the clay in the
Bear River Valley is found thin lenses
)t mari. 1t is this kind of deposit that
IS now furnishing the material for the
cement plant in the locality. The raw
material for the cement is taken from
he thin lenses OF mari on the clay,
ind sufficient clay to form proper mix. ,
.ure is taken by dipping in the clay
bed underneath. II
Bear River Valley probably has no {
soils that are formed in places. All {
he soils have been carried in by the |
arger streams flowing from the noun. !
aims. In this the valley has been {
especially favored. In addition to the {
tilt thus collected the phosphate beds
If the Mississippian limestone have 8
'een weathered and contributed their |
share of plant food to the section.
From the mouth of the Bear River a
o the beginning of the Bear River c
canyon the whole of the section is a t
He'd valley. The material for this fill b
ng has been carried Gown from the a
treams. .
The valley is also famous for It's
Genie beauty. The Malad river is /
amous to the geologist for its ex, i
mple of meandering. The Bear River d
anyon is also famous as young O
ocky gorge; beautiful spot of wild b
cenery and at the same time splen. b
i'd exposure of the rock representing il
he earlier periods of geological time
THE foregoing was contributed by
'rof William Peterson of the A. c. u. "