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penecontemporaneous

adjective pe·ne·contemporaneous \ ¦pēnē+ \

Definition of penecontemporaneous

:of, relating to, or being a geological phenomenon originating or effectuated during or soon after the formation of the rocks in which it is displayed
  • a penecontemporaneous mineral
  • penecontemporaneous structures
—

penecontemporaneously

adverb

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Origin and Etymology of penecontemporaneous

pene- + contemporaneous

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