Word: sedimentality
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...recently shown a willingness to negotiate. Moreover, it is a sign to friend and foe alike that the U.S. is prepared to draw the line against the spread of Marxist-Leninist revolution. But as usual, covert action carries heavy risks. For one, the operation could prove unsuccessful, leaving a sediment of anti-American feelings. For another, the domestic debate over covert action is costing Reagan valuable political capital. The question now is whether the U.S. can sustain its covert operation long enough to wear down the Sandinistas or, failing in that, develop an overt response that will accomplish the same...
...bioaccumulation, poses a long-range, if not immediate, health hazard. Warned Adamkus: "This is going to be a ticking bomb for human beings if it is accumulated over the years." The sample fish in the study were bottom feeders, such as carp and catfish, which scavenge in slimy sediment, where dioxin tends to settle. Cautious environmental officials renewed warnings against eating fish from the Tittabawassee, though no outright ban has been declared. The exact health risk from dioxin absorbed by fish has not been determined...
...stuff but overrated, says Anita Harris, the geologist who guides McPhee through gaps, folds and sediment from Brooklyn to the dunes of northern Indiana. Harris reads old rock, both high and low, and she is not convinced that plate tectonics adequately explains a great deal of "suspect terrain." The whys and wheres of her disclaimers may not rivet the attention of readers whose geology begins on the front lawn and ends at the beach. But Harris' rigors of body and mind cannot fail to impress. She moves robustly over the landscape lugging her hammers and rock samples. She computes...
Every summer the ancient Egyptians threw a beautiful virgin into the Nile to propitiate the river god. The Nile was Egypt's lifeblood: its waters renewed the parched land, and its sediment enriched the soil. But at times there was too much water, engulfing fields and villages, or too little, bringing famine and death...
...excavated at the site of what once was a fast-moving stream that flowed into a great salt marsh along the Gulf of Mexico. Bodies of dead animals collected in the water, and the remains sank to the bottom of the stream. As layer after layer of sediment piled up, the stream eventually vanished, but the bones of the fauna were fossilized and preserved...