Hypernym

period 4

rzeczownik

a unit of geological time during which a system of rocks formed

Part_meronym

Paleoproterozoic 1

rzeczownik

The Paleoproterozoic (also spelled Palaeoproterozoic) is the first of the three eras of the Proterozoic occurring between 2,500 to 1,600 million years ago.

Orosirian 1

rzeczownikdomena: czas

EnWordnet [ver.5.0]

Angielski

Definicja

The Orosirian is the third geologic period in the Paleoproterozoic Era and lasted from 2050 to 1800 million years ago.

Przykłady

1.Two of the largest known impact events on Earth occurred during the Orosirian.

Part_holonym

Paleoproterozoic 1

rzeczownik

The Paleoproterozoic (also spelled Palaeoproterozoic) is the first of the three eras of the Proterozoic occurring between 2,500 to 1,600 million years ago.

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