On the Clactonian Industry at Swanscombe

Abstract

The river gravels of the Boyne Hill (1st., 100 ft. and, in this district, the highest) Terrace of the Thames at Swanscombe (Kent) have yielded flint implements in thousands for many years. As long ago as 1905 these contemporary (not the derived) implements were correlated with the St. Acheul culture in the Somme Valley, and in 1912 some excavations were undertaken by the Geological Survey and the British Museum to determine the exact horizon at which these implements occur. These excavations showed conclusively that the level where the implements were so abundant was at the top of the middle gravel. The excavators regarded these middle gravel implements as of “Chelles” type, but recent work has caused the word “Chelles” to be used in a more restricted sense, and they may now be regarded as of St. Acheul type. The point of the exact determination of the middle gravel implements is important, on account of its bearing upon the age of the industry which occurs in the gravel below the middle gravel.

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