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geological era

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Noun1.geological era - a major division of geological time; an era is usually divided into two or more periods
era
geologic time, geological time - the time of the physical formation and development of the earth (especially prior to human history)
eon, aeon - the longest division of geological time
geological period, period - a unit of geological time during which a system of rocks formed; "ganoid fishes swarmed during the earlier geological periods"
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in the ancient southern highlands, pointing to an active role by water in Mars's earliest geological era, the Noachian period, 4.
Planet was water rich by 7 Days (Dubai, United Arab Emirates)
That was two months ago, a geological era by modern media memory standards.
The cult of Cable by guardian.co.uk / guardian.co.uk
The limestone itself stems from an ancient tropical sea and contains some of the most astounding fossils of the Ordovician-Silurian geological era.
Hello from Ontario - A Driving Tour Along the Niagara Escarpment by Susanne Pacher / Travel, recreation and leisure community
 
 
 
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