The Archean Eon is one of the four geologic eons of Earth history, occurring 4,000 to 2,500 million years ago.

Connected Sites

Site Rationale Link
Barberton Makhonjwa Mountains the best-preserved, thick and diverse succession of volcanic and sedimentary rocks dating back 3.6 to 3.25 billion years to the early part of the Archean Eon (AB ev)


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