Crossword puzzle clue "certain geologic epoch"

Here are the possible solutions for certain geologic epoch clue

Answer
Clue
Relevancy
eocene
Clue
Certain geologic epoch
Geologic epoch
Certain geological epoch
Definition
of rock formed in the second epoch of the Tertiary geological period
aeon
Clue
Epoch upon epoch
Epoch's English cousin
Definition
the largest division of geological time, composed of several eras, also EON
erian
Clue
NA geologic epoch
ochoa
Clue
N.M. area of geologic epoch
age
Clue
Epoch
Definition
to grow old

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