Word: crusts
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Dates: during 1920-1929
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...night calm and cloudless, last week, Death hovered over the Soviet Socialist Republic of Armenia.* To the west Mount Ararat slumbered. To the east peasants watched their flocks in the valley of Araxes, allegedly the valley created "Eden" by Jehovah. Suddenly the earth's crust moved, opened a thousand cracks and fissures throughout the great plain of Alexandropol (now Leninakan). Whirling seething earth-masses hurtled and reeled. With a roar like that of thunder, many of the stone buildings of Leninakan crashed in ruins. All electric, gas, telephone and telegraph equipment were thrown out of commission. When communication...
...These experiments must be made as far as possible out of reach of known sources of radioactivity, such as radium ores in the earth's crust, water and atmosphere...
Briefly stated, the most important conjecture is that early in the history of the juvenile earth there was a single continent composed essentially of a granite crust floating on a glassy basaltic substratum. This unique continent was domed and furrowed in response to strains due chiefly to contraction of the cooling earth and to decrease in rotational velocity because of tidal retardation. "At the close of the Paleozoic Era, the east-west geosyncline of the northern hemisphere was intensely crumpled by the sliding-together of the North Polar and the Equatorial dome. The result was the Appalachian-Hercynian system...
...Atlantic about a third of the way from Lisbon to Philadelphia, are the Azores Islands. Chief of them is Fayal, where the little stone houses of Horta-toy houses of pure pink, blue, yellow and white-rim the smooth-curved harbor. . . . One day last week the volcanic crust of the earth subsided under Fayal. Some 1,500 of the little stone houses of Horta trembled, crumbled, fell down. A tidal wave washed in to paw their ruins...
...earth's crust, uncomfortable in other places, twitched some more. It twitched under Maine for the twelfth time in two years, causing little damage. It twitched in Mexico, terrifying peons in Tehuantepec, who, instead of realizing that a mild earthquake now and then is really a good thing for mankind as it safeguards against catastrophic shocks, moved sullenly toward the hills muttering about the return of Quetzalcoatl, the bird-serpent, and other ancient gods. . . . Also, the earth twitched sharply last week in Greece, in Chile...