Potential answers for "Eon divisions, in geology"

⭐⭐⭐⭐ ERAS
⭐⭐ EARTHSCIENCE
⭐⭐ ERA
⭐⭐ ROCK
⭐⭐ MARINE
⭐⭐ OROGENY
⭐⭐ YRS
⭐⭐ EON
⭐⭐ EPOCH

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