SAGE Reference - Encyclopedia of Time: Science, Philosophy, Theology, & Culture

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K-T Boundary

In: Encyclopedia of Time: Science, Philosophy, Theology, & Culture
Edited by: H. James Birx
Subject:Time Studies

The Cretaceous-Paleogene (K-Pg) boundary, dated about 65 million years ago, marks the base of the Paleogene period and consequently of the Cenozoic era. (“K” is traditionally used as an abbreviation for the Cretaceous period (from the German term Kreide) ...

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  Birx, H. J. (2009). K-t boundary. In Encyclopedia of time: Science, philosophy, theology, & culture (Vol. 1, pp. 746-747). SAGE Publications, Inc., https://dx.doi.org/10.4135/9781412963961.n299
  
  Birx, H. J. "K-T Boundary." In Encyclopedia of Time: Science, Philosophy, Theology, & Culture, edited by Birx, H. James., 746-47. Thousand Oaks, CA: SAGE Publications, Inc., 2009. https://dx.doi.org/10.4135/9781412963961.n299.
  
  Birx, H. J. 2009. K-T Boundary. In: H. J. Birx Editor, 2009. Encyclopedia of Time: Science, Philosophy, Theology, & Culture, Thousand Oaks, CA: SAGE Publications, Inc. pp. 746-747 Available at: <https://dx.doi.org/10.4135/9781412963961.n299> [Accessed 23 May 2022].
  
  Birx, H. J. "K-T Boundary." Encyclopedia of Time: Science, Philosophy, Theology, & Culture. Edited by Vol. 1. Thousand Oaks: SAGE Publications, Inc., 2009, pp. 746-47. SAGE Knowledge. 23 May 2022, doi: https://dx.doi.org/10.4135/9781412963961.n299.
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