Radioactive carbon dating wiki tv2 dating show

Each sample type has specific problems associated with its use for dating purposes, including contamination and special environmental effects.

More information on the sources of error in carbon dating are presented at the bottom of this page.

It is our principal source of information about the age of the Earth and a significant source of information about rates of evolutionary change.

This transformation is accomplished by the emission of particles such as electrons (known as beta decay) or alpha particles.

While the moment in time at which a particular nucleus decays is random, a collection of atoms of a radioactive nuclide decays exponentially at a rate described by a parameter known as the half-life, usually given in units of years when discussing dating techniques.

Radiocarbon dating estimates can be obtained on wood, charcoal, marine and freshwater shells, bone and antler, and peat and organic-bearing sediments.

They can also be obtained from carbonate deposits such as tufa, calcite, marl, dissolved carbon dioxide, and carbonates in ocean, lake and groundwater sources.

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