Asked by: Khadre Ainsworth
asked in category: General Last Updated: 24th February, 2020

What is the longest Eon?

The longest eon in the history of the Earth is the Phanerozoic Eon. This eon began about 544 million years ago and continues through present day.

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Just so, which EON lasted the longest?

Phanerozoic Eon

Beside above, what is the shortest Eon? The Quaternary spans from 2.58 million years ago to present day, and is the shortest geological period in the Phanerozoic Eon.

Subsequently, question is, what is the longest eon of the geologic time scale?

Eon. Eon, Long span of geologic time. In formal usage, eons are the longest portions of geologic time (eras are the second-longest). Three eons are recognized: the Phanerozoic Eon (dating from the present back to the beginning of the Cambrian Period), the Proterozoic Eon, and the Archean Eon.

How many years are in a Eon?

Four hours ago is not an eon. Eon goes back to the Greek aiōn, "age." An age is not easy to measure, and neither is an eon. Both are just really long periods of time, but in science an eon is about a billion years.

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