The Archean began 4 billion years ago and ended 2.5 billion years ago, it is the first eon, and is an eon of the Precambrian, and succeeded by the Proterozoic eon.
The Archean began 4 billion years ago and ended 2.5 billion years ago, it is the first eon, and is an eon of the Precambrian, and succeeded by the Proterozoic eon.
The Archean began 4 billion years ago and ended 2.5 billion years ago, it is the first eon, and is an eon of the Precambrian, and succeeded by the Proterozoic eon.