An 'archaean' is a division of living beings, not a historical people.    From Wordnik.com.  [The flogging will continue] Reference

The subject of the photograph is the red archaean colonies growing on the salt crystals, not the salt crystals, themselves.    From Wordnik.com.  [Halobacterium salinarum - The Panda's Thumb] Reference

Your thirty-three page manuscript combines the brilliance of a young Marcus Paulk with the creative writing of Pierre Deligne, and will surely be devoured by archaean readers everywhere you send it.    From Wordnik.com.  [Archive 2007-02-01] Reference

Clark turned to his office, still contemplating the dignity of his visitor, the stark simplicity of this archaean aristocrat.    From Wordnik.com.  [The Rapids] Reference

The Philadelphians took to the homeward trail with backward glances and something of regret lest the archaean foundations of that mountain of ore might shift over night.    From Wordnik.com.  [The Rapids] Reference

All this is of historic record in stony cypher of geology indelibly engraved by time on the rocky walls of deepest canyons, as traceable from the primordial archaean to our present era, the age of man.    From Wordnik.com.  [Tales of Aztlan; the Romance of a Hero of our Late Spanish-American War, Incidents of Interest from the Life of a western Pioneer and Other Tales] Reference

Originally an archaean sea-bottom rock this stone lay submerged in the ocean until during the Jurassic Period, under the lateral pressure of a cooling earthcrust the table-lands and mountain-chains of Arizona rose from the seas.    From Wordnik.com.  [Tales of Aztlan; the Romance of a Hero of our Late Spanish-American War, Incidents of Interest from the Life of a western Pioneer and Other Tales] Reference

We have the great archaean area to the north.    From Wordnik.com.  [The Mineral Resources of Ontario] Reference