Accuracy of carbon dating material Chat sites with no sign in required

Posted by / 09-Jun-2019 19:09

The shells of live freshwater clams can, and often do, give anomalous radiocarbon results.However, the reason for this is understood and the problem is restricted to only a few special cases, of which freshwater clams are the best-known example.If this water is in contact with significant quantities of limestone, it will contain many carbon atoms from dissolved limestone.

There are two characteristics of the instrumental measurement of radiocarbon which, if the lay observer is unaware, could easily lead to such an idea.

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Acknowledgments: The editor wishes to acknowledge many useful comments and contributed material from numerous friends and colleagues, including Glenn Branch, Brent Dalrymple, Peter Hess, Mark Isaak, Duane Jeffery, Kenneth Miller, Steven Peck, Eugenie Scott and others.

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Other radiometric dating methods such as potassium-argon or rubidium-strontium are used for such purposes by those who believe that the earth is billions of years old.