Author Description

Pp. vii, 356; 56 text-figures (maps and geological diagrams). Publisher's original dark blue cloth, lettered in gilt on the spine, original pale-blue printed dust jacket, sm 4to. Special Publication no. 5 of the Geological Society of London. This volume was issued as a supplement to 'The Phanerozoic Time-Scale' first issued in 1964. Withdrawn stamp on the top page edge but no ownership marks of any kind and no signs of use.