Word: silting
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Ancient Glider. Dr. Colbert recognized the importance of the discovery. The age of Granton's black shale is known quite accurately; it formed as silt on the bottom of the great lake that covered the Jersey meadows 175 million years ago. In that dim age, the famous flying reptiles, the pterosaurs, had not yet evolved. Yet here was a reptile equipped with something like wings. Dr. Colbert took the fossil to the laboratory, where skilled technicians spent months clearing shale from around the delicate bones...
...under the stilted houses and over the 500 miles of meandering dirt roads. Years ago, someone built a railroad station in Savannakhet, but never got around to building a railroad. The Me kong River, crashing down from a canyon in China's Yunnan province, then slowed by silt and sewage on its 1,600-mile run to the South China Sea, is the principal means of transportation and is known as "the soul of Laos." In normal times, the principal exports are illegal opium and a little tin, but in 1960, the main export was words...
...Less than four years ago, when it was floated into position on the continental shelf some 80 miles southeast of Manhattan, TT4 was considered an engineering triumph. Its three 310-ft. stiltlike legs had been built and trussed together before being towed to sea. Anchoring them in mud and silt on the ocean floor had been a trying, ticklish business. But by December 1957, TT4 had its legs and its massive triangular platform in place. Powerful radars were installed, and eight officers and 65 enlisted men moved into its cramped quarters. Along with two other towers (TT1 was never built...
When the Trieste finally settled on the bottom, it raised clouds of fine white silt. Dr. Andreas B. Rechnitzer, the scientist in charge of the dive, identified the "dust" as diatomaceous ooze, the silica skeletons of small sea creatures, often used as scouring powder. In effect, the Trieste landed in a cloud...
...Covered at the bottom with soft silt...