The End of the Cretaceous: Sharp Boundary or Gradual Transition?

Abstract

Evidence indicates that the Cretaceous-Tertiary boundary is very sharp, and, within the limits of resolution, it is apparently synchronous at the various boundary localities. Arguments to the contrary, particularly those of Officer and Drake, are shown to be invalid.

Keywords

CretaceousBoundary (topology)PaleontologyGeologyResolution (logic)OfficerTransition (genetics)GeometryGeographyMathematical analysisBiologyMathematicsArchaeologyComputer scienceGenetics

Affiliated Institutions

University of California, Berkeley US

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Publication Info

Year: 1984
Type: article
Volume: 223
Issue: 4641
Pages: 1183-1186
Citations: 101
Access: Closed

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