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Cenozoic era

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Noun1.Cenozoic era - approximately the last 63 million yearsCenozoic era - approximately the last 63 million years
Age of Mammals, Cenozoic
Phanerozoic, Phanerozoic aeon, Phanerozoic eon - the period from about 5,400 million years ago until the present
Age of Man, Quaternary, Quaternary period - last 2 million years
Tertiary, Tertiary period - from 63 million to 2 million years ago
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The thin layer of iridium-and-quartz-rich sediment dates to the transition of the Cretaceous and Tertiary periods, which mark the end of the Mesozoic Era and the beginning of the Cenozoic Era.
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We are in the Cenozoic Era which started at about 25 degrees C and at present our average temperature is about 15 degrees C, so we have gone down as far as 12 degrees C.
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t very important until millions of years later in the Cenozoic Era.
The Triassic Period a Time of Transition by Claudia Mann / Reference and Education community
 
 
 
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