The Daily Ardmoreite. [volume] (Ardmore, Okla.) 1893-current, 1901-11-20
AR OF TIE EARTH
THE FACE OF OUR GLOBE Is
CONTINUALLY CHANGING.

~ la natures Great Workshop.
terc Man Has Comparatively Lit
Influence.
e atmosphere plays It's part in geo
! operations. It's corroding pow
pcked by rain and wind. helps to
ID and disintcgratc those rocks
b are exposed to its influence. Rain
bletes the work thus begun. Wind
rs dust, sand and volcanic ashes
large tracts of oarth-in fact.
The whole of IL.
Is only Of late years that geolo-
} have discovered that fine vol
& dust Is carried over the whole OF
tarth's lnrface anu plays very
ertant p3rt in the deep sea depos-
ION deserts and nearly rainless re-
is blown sand viii wear away the
est rocks by beating against
q. Some sandstone formations APP
TO have been piled up 10y winds.
Hnds cause ocean currents, waves
L storms. The great denuding
r of the sea is largely due TO the
Ksphere. Some parts Of the Eng
\ 4coasts are being rapidly washed
q. Plants and animals have their
itbution considerably affected by
A. and ocean currents. Again.
Iher living in wafer or on land.
fals llyG-tn the oxygen supplied
b the atmosphere, and land plants
Tb carbonic acid from the same
M acts I'm two ways: D chemlc-
lby dlssolylng certain substances,
as lime, out Of the rocks. and (2)
hanicallN by wearing down their
hces as \ flows over them. Any
n building n ruined castle or cathe-
MI for instance-shows "weath-
y surface resulting from the ac-
Of rain and wind. In sandstone
ktures the details Of carving are
h lost, and OH old tonbstones the
Firing can hardly bc deciphered.
-hgs 're due TO raiuwater collecting
yfocks and rising TO the surface.
trs are fed by rains and springs
river is a very powerful geological
N. In the hardest rocks rivers
1uaily carve out u valley or gorge,
~ is accomplished partly by chomic.
dissOlyhig certain mineral sub
ices, but chiefly by mechanical
ion, the stones, sand and mud
hing away the bed of a stream as
W run and tumble over it.
be- finest examples Of river action
tthe famous canyons OF Colorado
en- In some places are gorges 5000
even G,000 feet deep, with vertical
is. But, as already pointed out,
rs have constructive action quite
Important as their destructive ac-
( By bringing down their burden
Sediment into lakes. estuaries and
: they build up great piles of rock
4, SOW the dust Of continents to
laciers are rivers OF ice fed by the
ernal snoSF' Of high mountain
ltges such the Alps. They wear
their own valleys ms rivers do
: transport mud, sand and stones to
Iii distances, in some eases sending
y sealed up in icobergs 70 float fan
~ sea and on melting deposit their
N1aa flAnFs lH elm -
!. Newfoundland northern icebergs
depOsiting Il great mass OF "gla'
, drift"
u he sea is b great denuding agent
s its work'is more constructive than
ructivc. 1t is the workshop where
rly all the stratified rocks have
accumulated and ranged in layers
trata. The rivers and ocean cur.
s continually bring in fresh sup
of debris even for hundreds OF
3.
IN, compared with the lower ami
/, produces but little effect as n ge
lcal agent. Still the human race
considerably modified the distribu
of plants by cutting down forests
by cultivating certain plants &c
ly food. So with animals. Ger
useful species have been cultiyat
{. ind Enormously increased at the
nse Of others which prove useless
armful
Il plants and animals have had
. still have, far more influence geo
ally. Coal seams are made up OF
fable remains Of former periods
a ,sts have an important influence
limate and on animal as well as
/ life. In the comparatively I'M
yn world Of the ocean marine
rs doubtless have important func
lrlYc animals accomplish vas
mt Of geological constructive
Crest deposits thousands OF
- tblct 0r.o their existence to smal
hreous creatures living in the sea
J N reefs AFFORD the most familiar
d tratlon.
a. le force-known as heat Is of grea
L. brtance. The earth is hotter below
surface and probably has very
p. temperature toward its center
ID bme places not very far below III
{ nee Il contains highly heated rock
eh occasionally flows over the sur
= during volcanic eruptlons. II
r. pnces we find hot springs in con
iop]Elth volcanic action.
kat Exercises powerful influence