Crossword puzzle clue "geological divisions"

Here are the possible solutions for geological divisions clue

Answer
Clue
Relevancy
eons
Clue
Geological divisions
Geological time divisions
Divisions of geological time
Definition
EON, a long period of time, also AEON
eras
Clue
Geological divisions
Major divisions of geological time
Divisions of geological time.
Definition
ERA, a main division of geological time
aeon
Clue
Geological period
Geological time
Definition
the largest division of geological time, composed of several eras, also EON

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