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Knapped flint nodule From Wikipedia, the free encyclopedia
An eolith (from Greek "eos", dawn, and "lithos", stone) is a flint nodule that appears to have been crudely knapped. Eoliths were once thought to have been artifacts, the earliest stone tools, but are now believed to be geofacts (stone fragments produced by fully natural geological processes such as glaciation).
The first eoliths were collected in Kent by Benjamin Harrison, an English amateur naturalist and archaeologist, in 1885 (though the name "eolith" was not coined until 1892, by J. Allen Browne). Harrison's discoveries were published by Sir Joseph Prestwich in 1891, and eoliths were generally accepted to have been crudely made tools, dating from the Pliocene (5.333 million to 2.58 million years ago). Further discoveries of eoliths in the early 20th century – in the Red Crag Formation and Norwich Crag Formation of East Anglia by J. Reid Moir and E. Ray Lankester and in continental Europe by Aimé Louis Rutot and H. Klaatsch – were taken to be evidence of human habitation of those areas before the oldest known fossils. The English finds helped to secure acceptance of the hoax remains of Piltdown Man.
Because eoliths were so crude, concern began to be raised that they were indistinguishable from the natural processes of erosion. Marcellin Boule, a French archaeologist, published an argument against the artifactual status of eoliths in 1905,[1] and Samuel Hazzledine Warren provided confirmation of Boule's view after carrying out experiments on flints.[2]
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