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Eoarchean▼◼◼◼noun[UK: ˈiːərˌɑːtʃiən] [US: ˈiːəˌɑːrtʃiən]
Neoarchean▼◼◼◼noun[UK: nˈiːəʊˌɑːtʃiən] [US: nˈiːoʊˌɑːrtʃiən]
Paleoarchean▼noun[UK: pˌeɪliːəʊˈɑːkiən] [US: pˌeɪliːoʊˈɑːrkiən]
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