1st Beginning.

Eoarchanian era.

4281 ± 3 ~ 3850 Ma.

After the end of Nativitan eon, the first and new era has started. The planet's crust has solidified unlike before. The formation are usually green belts. The atmosphere doesn't have oxygen at all and atmospheric pressure is ranged, 10 to 100 bar higher. Due to planetary heat, the diastrophic event were much active than today, it led new continent formed during 3850 million years until 2950 million years ago, Vaalbarterra.

The life were started on here or earlier, the biota are usually prokaryotes. Euprokaryotes were appeared during 3750 million years ago & Archobionts are appeared during 3670 million years ago.

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