Type
Period
Age range
4180–3600 Ma

International Timescale

Paleoarchean
Eoarchean

Martian Periods

Hesperian
Noachian
pre-Noachian
4,2004,1504,1004,0504,0003,9503,9003,8503,8003,7503,7003,6503,600

Macrostrat

Data

Platform

Links

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