Words nearby archaean
British Dictionary definitions for archaean (2 of 2)
esp US Archean
How to use archaean in a sentence
Some of the metamorphic rocks may belong to the older Palaeozoic period, but the greater part of the series is probably Archaean.
They are known to be pre-Jurassic, but whether they are Palaeozoic or Archaean is uncertain.
They appear in contact with Archaean, Algonkian or early Palaeozoic rocks.The Birth-Time of the World and Other Scientific Essays|J. (John) Joly
The Archaean rocks still solidly underlie the lowest depth he has ever reached.
As we have no recognisable remains of the animals and plants of the earliest age, we will not linger over the Archaean rocks.