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THE CAMPUS MIRROR
9
the interlocking of the crystals of quartz and
feldspar, resisting the circular peeling off.
common to ignenous rocks, the insoluble na
ture of quartz and the smooth crystal faces
of the minerals of which it is composed,
this mountain has defied the agencies of ero
sion and retained its size and shape with little
erosion. Standing up, a great granite base,
above the surrounding plain, defying the de
structive forces of nature, it is an example
of the survival of the fittest.
In spite of the calls of hunger, the descent
was checked by the desire to snap pictures
and gather different kinds of shrubbery. At
the foot of the mountain the young men sup
plied drinks, and hampers of good food sat
isfied a need that was calling louder than rates
the need of knowledge.
A GEOLOGY TRIP TO
STONE MOUNTAIN
By Estelle R. Bailey, ’29
Ten o’clock. April 4. saw the members of
the Spelman and Morehouse geology class
with Professor Wardlaw going by automo
bile on their annual study trip to Stone
Mountain with ample provisions for a picnic
dinner after lessons were over.
The class made their first study on the
steepest side of the mountain, a sheer preci
pice, where the figures of the Confederate
generals are being carved in solid granite.
Professor Wardlaw had a contour map of
the granite mass and the adjacent lands. It
was seen that the base of Stone Mountain
is about 1,000 feet above sea level, 1,800 feet
above its surrounding plateau, and measures
about seven miles in circumference at the
base. The gray granite boss is elliptical in
shape; its longest axis trending east and
west. The steepest side faces the north. Va
rious forces of erosion have brought the finer
particles down to the foot of the mountain
forming a talus, in which grow trees and
other vegetation.
The first impulse of the students as they
stood gazing upon this “eighth wonder of
the world” was to pick up a piece of the
rock and study its composition. They found
that it was flaky material which could be
split off into thin flakes with a knife or
finger nail. If the flake is very thin one
can see through it. One mineral in this
rock is mica, which looks like isinglass; the
second, which also has a cleavage, and is
gray with a smooth surface, is feldspar. It
is too hard to be even scratched by the fin
ger nail or the edge of a knife. The third
mineral mingled with mica and feldspar is
quartz. It is very hard, looks like glass,
and is a crystal silica.
From the above examination we concluded
that Stone Mountain is an igneous rock of
molten origin.
The next step for study of the huge rock
complex, was to find a sloping side and climb
to the top. There were several things for
which we were to look on our way up—
especially mineral veins and results of weath
ering.
The climb was long and difficult, being a
steep grade all the way. Finally all were
on the top, and lost no time in finding the
spot marked as the highest point on Stone
Mountain. The sound of bells and whistles
in Atlanta, 16 miles away signified that it
was 12 o clock, but the class would picnic
later at the foot of the mountain. Then they
sat down for rest anti study. The rock ad- j
jacent to Stone Mountain granite is gneiss.
At the foot of the mountain the granite and
gnei»s are in contact or juxtaposition. Stone
Mountain is, therefore an intrusive mass, for
it is intruded into the gneiss complex and
was formed at a later period than the gneiss.
According to geological record. Stone
Mountain is more than a hundred million
years old. It is one of a chain of mountains
which formed the Piedmont Mountain chain.
I he rest of the mountains are now worn
down forming a peneplain.
Due to the structure of Stone Mountain,
The students recommend the course and
the trip. They shall never cease to marvel
at the majesty of Stone Mountain. Even
more fascinating than its outward form and
size is the visualizing of its birth and ever
lasting life.
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THE VERGIL BIMILLEN-
NIAL CELEBRATION
By Naomi S. Smith. ’29
The two-thousandth anniversary of the
birth of Publius Yergilius Maro is looked
forward to as a “Golden Year" in the his
tory of world literature. It is a celebration
not confined to one day, nor to one season,
but covering a whole year beginning in the
fall of 1929 and ending in October. 1930.
Shakespeare was honored after three hun
dred years, and Dante after six hundred, but
this is the first time there has ever been a
bimillennary celebration. This movement,
sponsored by the American Classical League,
is a significant event, in that it commemo-
an ancient writer who “bridges the
gap between antiquity and later ages in the
world's history and between paganism and
Christianity.”
Vergil was born at Andes, near Mantua,
in northern Italy, October 15, 70 B. C. His
fame began in his own generation and has
lived through the ages. He is beloved not
(Continued on page 10)
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