The sickle was of wood (92), with flints (91) inserted, apparently a copy of the ox-jaw and teeth.
Formerly flint and steel were everywhere employed for striking a light; and gun flints were required for fire-arms. A special industry in the shaping of gun flints long existed at Brandon in Suffolk.
Stone Age flints have been found in the sea caves.
The Senonian series is represented by the White Limestone, a hardened chalk with flints, which is often glauconitic and conglomeratic at the base.
The implements of man are relatively more common, seventeen chipped flints having been found.