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Examining the case for the use of the Tertiary as a formal period or informal unit

Knox, R. W., Pearson, Paul Nicholas ORCID:, Barry, T. L., Condon, D. J., Cope, J. C. W., Gale, A. S., Gibbard, P. L., Kerr, Andrew Craig ORCID:, Hounslow, M. W., Powell, J. H., Rawson, P. F., Smith, A. G., Waters, C. N. and Zalasiewicz, J. 2012. Examining the case for the use of the Tertiary as a formal period or informal unit. Proceedings of the Geologists' Association 123 (3) , pp. 390-393. 10.1016/j.pgeola.2012.05.004

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The ‘Tertiary’, omitted from IUGS-approved timescales since 1989, is still in common use. With the recent re-instatement of the Quaternary as a formal unit, the question arises as to whether the Tertiary too should be reinstated as a formal period, with the ‘Paleogene’ and ‘Neogene’ being downgraded to sub-periods. This paper presents arguments for and against this proposal, stemming from discussions by members of the Geological Society Stratigraphy Commission. It is intended to stimulate discussion of the topic in the wider community.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Earth and Environmental Sciences
Subjects: Q Science > QE Geology
Publisher: Elsevier
ISSN: 0016-7878
Last Modified: 20 Oct 2022 09:31

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