The Consultants - Episode 1: Die Hard - Duration: 4:06. watchtheconsultants 68,348 views
The noun GEOLOGICAL ERA has 1 sense: 1. a major division of geological time; an era is usually divided into two or more periods. Familiarity information: GEOLOGICAL ERA used as a noun is very rare.ge of Reptiles; Mesozoic; Mesozoic era (from 230 million to 63 million years ago). Paleozoic; Paleozoic era (from 544 million to about 230 million years ago). Holonyms (geological era is a part of...): aeon; eon (the longest division of geological time).
Epochs are subdivisions of geologic periods. Era-A division of geologic time of several hundred million years in duration. An era is smaller than an eon and longer than a period. Geologic Time Scale-A categorization of geological events based on successively smaller time spans: eons, eras, periods, epochs, and ages.Hadean-The earliest eon in the history of the Earth from the first accretion of planetary material until the date of the oldest known rocks.eologic Time Scale-A categorization of geological events based on successively smaller time spans: eons, eras, periods, epochs, and ages. Hadean-The earliest eon in the history of the Earth from the first accretion of planetary material until the date of the oldest known rocks.