Word: layered
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Dates: during 1920-1929
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Some deposits which are apparently rich and deep prove to be only a thin layer of profitable ore over worthless rock. Electrical instruments are being devised to register not only the presence of metals, but the extent of the ore pocket, and so prevent wasted efforts. Metals have a decided influence upon delicate electrical mechanism, and the various effects of each metal give a key to the nature of the concealed deposit...
...Algeria, Alonzo W. Pond of the Logan Museum (Beloit College) found a prehistoric child's bones, beneath a layer of flint and bone implements. Mr. Pond was inclined to join the school of thought which designates Africa as the cradle of humanity...
Archaeologist J. Reid Moir published further results of his per sistent excavations in limestone quarries near Ipswich, East Anglia. Flint tools found in a pre-Pliocene layer indicated that the history of man stretches much further back than is supposed. The site was northwards of the site where the Piltdown Man was discovered, on the shore of a warm North Sea which then had no outlet channel between France and England...
...Layer under layer like tetanus, like...
Roman punishments: "The Romans have a unique way of punishing some of their criminals. They tie them down on their back in the sun and then cover the victim's face with a thick layer of molasses for the flies to feast upon. . . . They whip [matricides] in public, and then they sew them up in a bull's hide together with a dog, a cock and a monkey, and throw them into the Tiber...