Oregon daily emerald., November 21, 1945, Page 6, Image 6

Williams Cites Volcanic Types;
Describes Formation and Life
By GLORIA SMITH
Dr. Howell Williams, volcanolo
gist from the department of geo
logical science at the University
of California, gave his second lec
ture in the Condon lectureship
series Thursday in Chapman hall
on the “Nature of Volcanic
Action.”
Building of volcanic mountains,
volcanic action, types of volcanos,
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and the aging of volcanos were in
cluded in the talk.
Williams explained volcanic
structure, a process from top to
base, where the lava and gas lie
until they start their upward jour
ney to the pockets from which the
volcano is formd.
Explaining chainlike volcanic
forms, Dr. Williams pointed out
volcanic mountains and formations
in Oregon from the slides which he
showed.
' Mauna Loa and Klauea
The gentle slopes of the Hawai
ian type, such as Mauna Loa and
Klauea, can be found in Oregon,
he stated. A more liquid lava
flows from this type of volcano.
When outbreaks occur, a display
of fireworks, sometimes as high
as GO feet, can be seen.
Slides illustrating- the tunnel
type, which is found abundantly in
Oregon were displayed. The strom
bolian volcano, unlike the Hawai
ian, has steep slopes and a more
explosive nature. Wizard island at
Ci-ater lake is an example of this
type.
The Vulcanian differs in that the
material is blown from it in solid
form. The composite volcano, as
its name would suggest is a con
solidated form made up of former
volcanos. Millions of years are re
quired for its creation. Its action
runs in cycles from 32 to 40 years.
Vesuvius, which erupted recently,
typifies this species.
Crater Cake Eruption
Whether there will ever be
another eruption at Crater Lake is
a mystery to volcanologists, but
Dr. Williams stated that it would
certainly be possible for such a
thing to happen.
Old age, as with every other
thing, finally creeps up on the
volcano. At this time eruption'
comes to an almost complete stop
before the volcano does. Signs of
erosion set in as the sides of the
formation are slowly torn down by
snow and ice which carries pieces
of the volcano to the ocean. Finally
only the plug or central pipe of
the once active formation remains.
Volcanos Helpful
Destruction is usually the first
thought in connection with vol
canos, but Williams stated that
volcanos are not only helpful, but
that our lives even hinge on their
work.
Volcanic action provides richer
soil, finer scenery, and a salty sea.
Without the chemicals produced,
plant life and consequently human
life could not survive.
Dr. Williams came from Eng
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DRIVERS . . . GIVING YOU
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New Speaker's Bureau
Organized On Campus
To give students an opportunity
to speak on subjects of their own
choice before audiences through
out the state the speech drama
division has organized the divi
sions’ speaker’s bureau.
Men and women attending Ore
gon who have had interesting ex
periences or who have worth while
ideas which they would like to give
expression are especially urged to
get in touch with W. A. Dahlberg,
director of the division of speech
and drama. All others interested'
are asked to contact him also.
Plans will be formulated to pro
vide audiences for such students
during the winter and spring
terms. Dahlberg’s office is in
Friendly hall.
land where he was with the Royal
School of Mines. In 1936 he came
to the United States where he
joined the staff at the University
of California.
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Homecoming Troup
Presents Preview
A special assembly at Eugene
high school today will see a pre
view of the Homecoming Revival
show, scheduled for Friday, Nov
ember 30, Master of Ceremonies
Orin Weir announced Tuesday.
The talent-packed show will in
clude Bob Moran, who promises
some boogie-woogie specialties.
Dick Savinar is expected to lend
a few laughs with some original
walk-ons. The Chi Omega trio will
sing, and as an added attraction
Lois McConkey, general chairman
of the show, will introduce Jake
Leicht and Bob Reynolds of the
webfoot backfield.
Kay Hoff is in charge of pro
duction. The Homecoming Revival,
according to Weir, promises to be
the best show the campus has pro
duced. All students, townspeople,
and alums will be admitted free.
Gordon’s
Wishes you
and yours
a very
HAPPY
THANKSGIVING
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DOWNSTAIRS
"Science and Ceramics"
Nov. 27 Lecture Topic
“Science and Ceramics” will be
the topic of a lecture given by
Miss Victoria Avakian, associate
professor of applied design, at
4:15 p.m. in 103 McClure Hall
November 27. This will be a regu
lar meeting of the chemM’ty
seminar.
Westminster Will Hold
Forum Sunday Evening
Westminster house will spon
sor its weekly forum Sunday night
at 6:30 for students, faculty, and
townspeople. Tea will be served
preceding the discussion.
Jan Kok will lead the regular
Monday night sing from 9:30 to
10:15.
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