Carbon dating rock

Since limestone contains very little, if any, radiocarbon, clam shells will contain less radiocarbon than would have been the case if they had gotten their carbon atoms from the air.

This gives the clam shell an artificially old radiocarbon age.

Thus, it is possible (and, given the Flood, probable) that materials which give radiocarbon dates of tens of thousands of radiocarbon years could have true ages of many fewer calendar years. The shells of live freshwater clams have been radiocarbon dated in excess of 1600 years old, clearly showing that the radiocarbon dating technique is not valid.

The shells of live freshwater clams can, and often do, give anomalous radiocarbon results.

Libby thus reasoned that by measuring carbon 14 levels in the remains of an organism that died long ago, one could estimate the time of its death.

The field of radiocarbon dating has become a technical one far removed from the naive simplicity which characterized its initial introduction by Libby in the late 1940's.

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.

Q&A: Evolution, Creationism and Intelligent Design (28 articles).

This section discusses creationism, DNA, evolutionary novelty, fossils, geological ages, intelligent design, irreducible complexity, the origin of life, probability, radiometric dating, speciation, thermodynamics and related topics. This section discusses atheism, controversies, determinism, history of the science-religion conflict, morality, naturalism, postmodernism, pseudoscience, scientific progress, secular humanism, social decline, and related topics. This section discusses the anthropic principle, big bang cosmology, computer science, cosmic coincidences, the cosmological constant paradox, Fermi's paradox, fine tuning, inflation, the multiverse and related topics. This section discusses biblical archaeology, biblical inerrancy, big bang theology, evolution theology, God as a scientific hypothesis, God-of-the-gaps theology, natural law, Noah's flood, commentary on the "war" between science and religion and related topics. Disclaimer: Material on this site does not necessarily reflect views of the research institution, funding agency (if any) or religious affiliation of the editor or any of the specific authors listed for this material.

He first noted that the cells of all living things contain atoms taken in from the organism's environment, including carbon; all organic compounds contain carbon.

Most carbon consists of the isotopes carbon 12 and carbon 13, which are very stable.

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