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Crossword clue: another word for archaean

1 answer found in Letterora's clue database (Wikidata facts, Open Trivia DB, WordNet and Webster definitions — all licensed sources).

Possible answers

archean 7 letters gen-syn

the time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest f

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Related clues

of or relating to the earliest known rocks formed during the Precambrian Eonthe time from 3,800 million years to 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life