3600 – 3200 MA

Era · Archean

Paleoarchean

3600–3200 Ma

The Paleoarchean is an era within the Archean, spanning roughly 3600 to 3200 million years ago.

Rankera· Paleobiology Database
Base3600 Ma· Paleobiology Database
Top3200 Ma· Paleobiology Database
Duration400 Myr· Paleobiology Database
ChartICS International Chronostratigraphic Chart v2023/09 (ages from Macrostrat/PBDB interval tables)

Elsewhere

Cite this article

Stratum Strata. "Paleoarchean" (Time interval). Stratum Strata pack 2026.09, as of 2026-09-21. https://stratum.black/strata/time/paleoarchean. Accessed 2026-09-21.

@misc{stratum-paleoarchean,
  title        = {Paleoarchean},
  author       = {{Stratum Strata}},
  howpublished = {\url{https://stratum.black/strata/time/paleoarchean}},
  year         = {2026},
  note         = {Time interval article, Stratum Strata pack 2026.09, as of 2026-09-21; sources: stratum, pbdb. Accessed 2026-09-21.}
}

Citations carry the pack version and the article's as-of date so they resolve to the same text later. The facts themselves belong to the sources listed below; cite those for the science.

Sources for this article: Stratum editorial (Stratum editorial);Paleobiology Database (CC-BY-4.0). As of 2026-09-21; Strata pack 2026.09. Data reproduced under the licences shown; text in Stratum's own words unless a section names its source.

Found an error? Write to drew@tyr.ac with the article id interval:paleoarchean.

Stratum is the inventory, provenance and certificate system for fossil, mineral and shell collections. Strata is its open reference: every fact cites its source, and the credits page lists each one with its licence.