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What are two radioactive isotopes that are useful for dating rocks that are older than 10 million years ?

What are two radioactive isotopes that are useful for dating rocks that are older than 10 million years ?
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What are two radioactive isotopes that are useful for dating rocks that are older than 10 million years ?

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User Marcus Borkenhagen
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1 Answer

4 votes
Carbon-12 and Carbon-14
they are named so as their masses are 12&14 amu respectively
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User Bret Fisher
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