The ICS International Chronostratigraphic Chart
@article{Cohen2013TheII, title={The ICS International Chronostratigraphic Chart}, author={Kim M. Cohen and Stanley C. Finney and Philip L. Gibbard and Junxuan Fan}, journal={Episodes}, year={2013}, volume={36}, pages={199-204} }
The International Commission on Stratigraphy (ICS) has a long tradition of producing international charts that communicate higher-order divisions of geological time and actual knowledge on the absolute numerical ages of their boundaries. The primary objective of ICS is to define precisely a global standard set of time-correlative units (Systems, Series, and Stages) for stratigraphic successions worldwide. These units are, in turn, the basis for the Periods, Epochs and Ages of the Geological…
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