Precambrian
volume
British pronunciation/pɹɪkˈambɹiən/
American pronunciation/pɹiˈkæmbɹiən/

تعریف و معنای "precambrian"

Precambrian
01

the eon following the Hadean time and preceding the Phanerozoic eon; from about 3,800 million years ago until 544 million years ago

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