Chronostratigraphy: understanding rocks and time

Harper, David A.T.; Bown, Paul R and Coe, Angela L. (2022). Chronostratigraphy: understanding rocks and time. In: Coe, Angela L. ed. Deciphering Earth's History: the Practice of Stratigraphy. GSL Geoscience in Practice, 1. Bath, UK: The Geological Society of London, pp. 227–243.




Chapter 13 of Deciphering Earth’s History: the Practice of Stratigraphy explains how the rock record is used to interpret geological time and the method by which chronostratigraphical and hence geochronological units are formally defined by Global Stratigraphic Sections and Points (GSSPs). It outlines the role of the International Commission on Stratigraphy in this process and summarizes the criteria needed to define GSSPs.

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