Definition of Paleoproterozoic

1. Adjective. (geology) Of a geologic era within the Proterozoic eon; comprises the Siderian, Rhyacian, Orosirian and Statherian periods from about 2500 to 1600 million years ago, when cyanobacteria increased the amount of oxygen in the atmosphere and changed life on Earth for ever. ¹



2. Proper noun. (geology) The Paleoproterozoic era. ¹

¹ Source: wiktionary.com

Paleoproterozoic Pictures

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Lexicographical Neighbors of Paleoproterozoic

Paleo-American
Paleo-American culture
Paleo-Amerind
Paleo-Amerind culture
Paleo-Indian
Paleo-Indian culture
Paleo Faliro
Paleo Faliron
Paleoarchean
Paleocene
Paleocene epoch
Paleogene
Paleogenic
Paleolithic
Paleolithic Age
Paleoproterozoic
Paleozoic
Paleozoic era
Palermo
Palestine
Palestine Authority
Palestine Islamic Jihad
Palestine Liberation Front
Palestine Liberation Organization
Palestine National Authority
Palestinean
Palestineans
Palestinian
Palestinian Arab
Palestinian Arabic

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