Potassium argon dating applications

14-Mar-2019 18:18

With rubidium-strontium dating, we see that rubidium-87 decays into strontium-87 with a half-life of 50 billion years.

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This provides a built-in cross-check to more accurately determine the age of the sample.

However, rocks and other objects in nature do not give off such obvious clues about how long they have been around.