meaning of archean

archean meaning in General Dictionary

of or regarding the earliest acknowledged stones formed through the Precambrian Eon

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  • the time from 3,800 million years to 2,500 million years back; planet's crust created; unicellular organisms are very first types of life

Sentence Examples with the word archean

This view of its origin is now known not to be applicable to the Archean as a whole, since this system contains some metamorphosed sedimentary rocks.

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