geochronologyn.

1805 J. Aspin Geo-chronology of Europe i. 1 What is meant by the term Geo-Chronology of Europe?.. It is a description of Europe, embracing at one view its situation on the face of the globe, relatively to the rest of the world, and the historical epochs..of its several countries.

1893 H. S. Williams in Jrnl. Geol. (Chicago) 1 294 In all these studies in which the geological time-scale is applied to the evolution of the earth..the time concerned is not human chronology but is what may be called geochronology.

1934 Discovery Mar. 66/2 The high upper limits are supported by the geochronology of the Swedish geologist, de Geer.

1957 G. Clark Archaeol. & Society (ed. 3) v. 133 Geochronology, the chronology based on the natural changes recorded in the geological sequence, depends on many branches of natural science.

1971 Nature 24 Dec. 463/1 He concluded that the 4·55 ×10⁹ yr terrestrial event recorded by Pb/U geochronology actually referred to the date of core formation.

2006 K. D. Rose Beginning Age Mammals i. 12/1 The difficulty of correlating mammal-bearing continental beds with discontiguous marine strata on which much of Cenozoic geochronology is based.

1929 Q. Jrnl. Royal Meteorol. Soc. 55 213 It is one of the tenets of the Scandinavian ‘geochronologists’ that these variations depend on the supply of heat received from the sun, and hence are more or less similar in all parts of the world.

1950 Gnomon 22 291/2 If atomic physicists or geochronologists establish much higher dates for the Northern cultures..his relative chronology may still be defensible.

1960 New Scientist 14 July 137/3 The latest method in the repertoire of the geochronologist is the rubidium-strontium method.

2001 Sci. Amer. (U.K. ed.) Jan. 92/1 This finding by two geochronologists did not win unanimous agreement from paleoanthropologists.