The Villafranchian Stage-Age and its radiometric dating

By Savage, Donald E. and Curtis, Garniss H.

SKU# 18340

$ 25.00

Pp. 207-230; 3 text-figures (2 maps, 1 stratigraphic section), 6 tables, 1 long table in appendix).  Original self-wrappers, 8vo.  Geological Society of America Special Paper 124.  The Villafranchian age is a period of geologic time (3.5-1.0 Ma) overlapping the end of the Pliocene and the beginning of the Pleistocene used more specifically with European Land Mammal Ages.  Named by Italian geologist Lorenzo Pareto for a sequence of terrestrial sediments studied near Villafranca d'Asti, a town near Turin, it succeeds the Ruscinian age.  This paper provides the first radiometric (Potassium-Argon) dates for the Villafranchian Stage-Age.  From the library of marine vertebrate paleontologist Edward D. Mitchell with his circular name-stamp and date received on the front wrapper.  No other ownership marks.  This rare paper is seldom offered for sale.

Publisher Geological Society of America
Publisher Place Boulder. CO
Date Published 1970
Date Published Estimated No
Edition First edition
Number of Volumes 1
Reprint No
Condition Fine
Condition Description A fine (as new) copy.
Limited Edition