Episodes 1979; 2(2): 18-21
Published online June 1, 1979
Copyright © International Union of Geological Sciences.
Michael G. Bassett1,2,3,4,5
1Department of Geology, National Museum of Wales (U.K)
2IUGS Commission on Stratigraphy
3IUGS Advisory Board for Publication
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
It is exactly 100 years since the Ordovician System was first proposed by Charles Lapworth. Born from controversy, it is the last of the geological systems to have become universally accepted. In his proposal Lapworth saw the Ordovician in an international context, and the ensuing century of widespread research has justified his views. This article traces some major steps in the international recognition of the System since 1879.