Question: What is the half life of potassium argon?

What is potassium-argon dating and what is the half-life of potassium-40?

potassium–argon dating(K–Ar method) A dating technique based on the radioactive decay of potassium ( 40K) to argon ( 40Ar). This potassium isotope has a half-life of 1.3 billion (10 9) years, and the minimum age limit for this dating method is about 250 000 years.

What is potassium half-life?

Potassium-40 (40K) is a radioactive isotope of potassium which has a long half-life of 1.251×109 years.

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