The approximate volume

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“We know, however, the approximate volume of sediment from the Powder River Basin, the Bighorn Basin, the Wind River Basin, the Laramie Basin, and so forth. We can say it all went downhill to the Mississippi Delta. But go to the delta. Look at the volumes. There’s an enormous discrepancy. You add up what’s down there in the Gulf and what was removed here, and they don’t square. A great deal zakelijke energie more has been removed from here than is down there. Streams only account for about half the material that was taken up and out of here. Since it is not all in the delta, where did it go? So much has been taken away that it’s got to be explained in some other manner. I think the wind took it. My personal feeling is that a lot of it blew eastward to the Atlantic. Possibly some went to Hudson Bay. We don’t know. These are problems we are trying to grapple with at the present time. How much did the wind take? Again, we don’t know, but in one dust storm several years ago a great deal of debris from Kansas and Nebraska and Colorado went into the Atlantic-a storm that lasted only a couple of days.” Such storms are frequent, and this one was not unusual in size or duration. It is noteworthy because its effects were studied and published, in the Journal of Sedimentary Petrology. When the dust appeared above the coast of Georgia-as thick haze-it attracted the attention of researchers at the Skidaway Institute of Oceanography, near Savannah. The cloud of particles was two miles in height, and satellite photographs showed its other dimensions: four hundred thousand square miles. With air-sampling-and-measuring equipment, the Skidaway people collected particles. They reported in that one storm zakelijke energie vergelijken enough dust to account for twenty-five per cent of the annual rate of sedimentation-from all rivers as well as the air-in the proximate North Atlantic. Moreover, about eighty-five per cent of it was a clay mineral called illite. Silts coming out of east-coast rivers include very little illite, and yet illite is predominant among the sediments of the ocean floor. By Skidaway’s calculations, that one storm’s deposits in the ocean amounted to a million tons.

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