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Tiffanian  

Definition

  • The Tiffanian North American Stage on the geologic timescale is the North American faunal stage according to the North American Land Mammal Ages chronology (NALMA), typically set from 60,200,000 to 56,800,000 years BP lasting 3.4 million years ; from Tiffany, Colorado (local term). The Tiffanian is preceded by the Torrejonian and followed by the Clarkforkian NALMA stages. (Adapted from: https://en.wikipedia.org/wiki/Tiffanian and Moureau M. & Brace G. (2000). Comprehensive Dictionary of Earth Science - Dictionnaire des Sciences de la Terre. Paris, Technip.)

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http://data.loterre.fr/ark:/67375/QX8-2RTVJXTN-0

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