Word: crusting
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...earth's crust, scientists estimate, is composed of twelve parts per million of thorium and four parts per million of uranium. British India produced three-quarters of the prewar supply of thorium. Other deposits have been worked in Brazil, Australia, The Netherlands East Indies, and parts...
...last weekend's competition at Franconia, N.H., semi-official opening of the New England season, the weather cooperated none too well. A near blizzard set in. At other spots, with only a. sprinkling of new snow on a frozen crust, conditions were poor to fair, but ski-hungry folk flocked to the hills anyhow...
Ever since, its engineers have poked into the earth's crust in search of deposits of vanadium, tungsten, chromium and other rare metals. In Peru it controls the world's largest vanadium deposits, and a leaching plant nearly three miles above sea level...
Bigger & Better Mountains? From Milne's hypothesis, Haldane leaped to some startling deductions. Most startling: that the earth's crust, far from cooling off, is actually getting warmer - it is generating more heat by radioactivity (radiations from the earth's elements) than it is losing by conduction to the atmosphere...
Asia and its proud promontory, Europe, have always been one land mass. Now, with the emergence of Russia as No. 1 power in both regions, they were a single political continent. Last week this new political continent, like a vast volcanic crust, heaved and hissed, threw up craters of political lava from the smoldering core below, burned with friction at its edges, especially those edges where for ages Europe has grated against Asia-the Aegean area and the Turkish Straits...