archaeozoic






[ad_1] adjective, noun Geology.
  1. Archeozoic.

adjective

  1. noting or pertaining to the earlier half of the Precambrian Era, from about 5 billion to 2.5 billion years ago, during which the earliest datable rocks were formed and from which the oldest known fossil forms, blue-green algae and bacteria, have been recovered.

noun

  1. the Archeozoic division of geologic time or the rock systems formed then.

adjective

  1. a former word for Archaean

adjective

  1. a variant spelling (esp US) of Archaeozoic

  1. Another spelling of Archeozoic.

  1. See Archean.
[ad_2]

Leave a Reply

Your email address will not be published. Required fields are marked *

47 queries 1.433