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Paleocene |
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Paleocene [′pāl·ē·ə‚sēn] (geology) The oldest of the seven geological epochs of the Cenozoic Era, spanning 65 million to 55 million years ago. Comprising the Tertiary and Quaternary periods in modern usage, it is also the oldest of the five epochs constituting the Tertiary Period. It represents an interval of geological time (and rocks deposited during that time) extending from the termination of the Cretaceous Period of the Mesozoic Era to the dawn of the Eocene Epoch. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| The Late Paleocene Thermal Maximum and the K/T boundary climates are classic examples of abrupt climate change in the past that are areas of active research on how the entire Earth System responded at those times. That sharp dip marks those strata as coming from an 80,000-year stretch when the Paleocene epoch gave way to the Eocene. The same pattern of concentrations in certain families is also the main feature in the paleocene floral diversities and turnover events at that time (6). |
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