Ara
Archeozoic Eon
01
(geology) a former name for the Archean Eon, extending from about 3.8 billion to 2.5 billion years ago
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Earth's crust developed extensively during the Archeozoic Eon.
LanGeek
Ara
(geology) a former name for the Archean Eon, extending from about 3.8 billion to 2.5 billion years ago
LanGeek