How long does a rock live?

How long does a rock live?

How long does a rock live?

Rocks at the surface of the earth are of many different ages. They range from over three billion years
billion years
Byr was formerly used in English-language geology and astronomy as a unit of one billion years. Subsequently, the term gigaannum (Ga) has increased in usage, with Gy or Gyr still sometimes used in English-language works (at the risk of confusion with Gy as abbreviation for the gray, a unit of radiation exposure).
https://en.wikipedia.org › wiki › Billion_years
Billion years - Wikipedia
old to less than one million years old.

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  • 2023-09-16 03:14:16
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