Precambrian
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Stratigraphy | Index | Index add'l | Type | Rank | Scope | Belongs to | Age (Ma) | Age | |||
---|---|---|---|---|---|---|---|---|---|---|---|
Base | Top | ||||||||||
Archean | AR | chronostratigraphy | Eonothem | global | Precambrian | 4000.0 | 2500.0 | ||||
Proterozoic | PR | chronostratigraphy | Eonothem | global | Precambrian | 2500.0 | 538.8 | ||||
Hadean | Precambrian | 4567.0 | 4000.0 |
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