Eon Ptz

Proterozoic

2500.0000 – 538.8000 Ma

The Proterozoic is the third of the four geologic eons of Earth's history, spanning the time interval from 2500 to 538.8 Ma, and is the longest eon of Earth's geologic time scale. It is preceded by the Archean and followed by the Phanerozoic, and is the most recent part of the Precambrian "supereon".

← Geological time scale

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Sub-intervals 3

Paleoproterozoic Pptz

2500.0000 – 1600.0000

Mesoproterozoic Mptz

1600.0000 – 1000.0000

Neoproterozoic Nptz

1000.0000 – 538.8000