Clue: Proterozoic or Archeozoic, e.g.

We have 1 answer for the crossword clue Proterozoic or Archeozoic, e.g..

Possible Answers:

• EON

Related Clues:

• Big chunk of time
• Period in the geologic time scale
• L-o-o-o-o-ng time
• Longish span of time
• (k) Lengthy time period
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• Quite a spell
• Chunk of eternity
• Many centuries
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• L-o-o-n-g time
• Geological time
• Star of a courtroom series (2)
• Largest geologic time division
• One billion years, to an astronomer
• Geologist's time frame
• Unbelievably long time
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• 365 billion days, in astronomy
• Lengthy time period
• ... and 144 more.

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