Word: crusts
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Dates: during 1920-1929
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...ptomaine-a faux pas to discuss prohibition in a house recently disgraced by the tippling of its breadwinner-so it is a serious breach of taste to "speak of earthquakes in California. Ever since the geological disaster in San Francisco in 1906, all convulsions of the earth's crust have been referred to euphemistically; people do not say "since the earthquake" but "since the fire." What must be the courage, then, of Dr. Bailey Willis, seismologist and Professor Emeritus of Geology at Stanford University. Last week he declared that within the next ' ten years Los Angeles will...
...Install now seismographic stations in many localities, with a view to studying strains on the crust of the earth and perhaps foretelling the exact location of the worst upheaval...
...Hartsough Mirror-Scales are said to be 100 times as sensitive as the Eoetvos Balance, an instrument now in common use which determines the gravitational pull of sections of the earth's crust. Oil-bearing crust, being light, exerts slightly less gravity pull; ore-bearing crust, slightly more...
Isostasy. The earth's crust is not uniformly rigid, and a good thing, too. If it were, the stress of gravity would destroy the equilibrium of the spinning globe. The theoretic principle maintaining this equilibrium is called isostasy, manifest in earthquakes, or crust- shiftings. Earthquakes are thus a sort of blessing. To isostasy, these lines...
What is it rules the upper crust...