Crossword puzzle clue "extremely long geologic time period"

Here are the possible solutions for extremely long geologic time period clue

Answer
Clue
Relevancy
eon
Clue
Extremely long geologic time period
Long long long long long long long time
Extremely long geologic division
Long, long, long time period
Extremely long time period
Extremely long period of time
An extremely long period of time
Definition
a long period of time, also AEON
epoch
Clue
Long geologic time period
Definition
an important period of time, also EPOCHA

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