Pre-historic times, as illustrated by ancient remains and the manners and customs of modern savages (1892)
Lubbock, John, Sir, 1834-1913 · New York, D. Appleton and company · leaf 122
ss square flint, the fracture is at first semi-conoidal or nearly so, but after expanding for a short distance, FLINT FLAKES. 89 it becomes flat, and may be propagated through a length ofas much as thirteen inches, thus forming a blade-like flake(figs. 82—89), with a triangular cross section (fig.… … Flint core or nucleus. Flint Flakes.—Denmark. bulb, or cone, of percussion. After the four original anglesof a square block have been thus flaked off, the eight newangles may be treated in a similar manner, and so on. Fig.81, and pi. 1, fig. 6, represent blocks, or cores, from whichflakes have been…
Archaeology · Indigenous peoples
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