archean eon
the Hadean eon
how was the phanerozoic eon divided.
The eon that lasted from 2,500 to 542 million years ago was the Proterozoic Eon.
5th Edit: The ancient Greeks referred to an eon as being an eternity, so by that definition, we would be in the one and only eon, but in geology, an eon amounts to about 1 billion years, making the Earth be 4.6 eons old, so, the answer would either be the first eon, or the 5th eon. Depends on how you look at it.
The Eon ticket didn't exist in Crystal, nor did the Lati twins.
An eon is an indefinitely long period of time, in which there exist noteworthy periods known as eras.
archean eon
I don't know the plural of eon but the answer is more than 1 eon
I am currently in the Phanerozoic Eon.
the Hadean eon
Paleozoic eon
It was in the Phanerozoic Eon.
how was the phanerozoic eon divided.
It is the Phanerozoic Eon.
Eon Mora is 5' 4".
Approximately 31536000000000000 seconds are in an eon.