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geological era

 
Noun geological era has 1 sense
  1. era, geological era - a major division of geological time; an era is usually divided into two or more periods
    --1 is a kind of geological time, geologic time
    --1 is a part of eon, aeon
    --1 has parts: period, geological period
    --1 has particulars:
     Cenozoic, Cenozoic era, Age of Mammals; Mesozoic, Mesozoic era, Age of Reptiles; Paleozoic, Paleozoic era
geoligist geolocial phenomenon geologic geologic process geologic time geological geological activity geological dating geological era geological fault geological formation geological horizon geological period geological phenomenon geological process geological shift geological time

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