Crossword puzzle clue "geologist's concern"

Here are the possible solutions for geologist's concern clue

Answer
Clue
Relevancy
mineral
Clue
Geologist's concern
Definition
any of various classes of inorganic substances
aeon
Clue
Billion years, to a geologist
Definition
the largest division of geological time, composed of several eras, also EON
anneheche
Clue
Geologist in "Volcano"
cene
Clue
Recent, to a geologist
core
Clue
Geologist's sample
Definition
to remove the central part of
eon
Clue
Geologist's division
Geologist's unit
Geologist's time period
Definition
a long period of time, also AEON

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