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Significance half life radiometric dating techniques

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His Ph D thesis was on isotope ratios in meteorites, including surface exposure dating.

He was employed at Caltech's Division of Geological & Planetary Sciences at the time of writing the first edition.

Carbon dating is used to determine the age of biological artifacts up to 50,000 years old.

Wiens has a Ph D in Physics, with a minor in Geology.

He is presently employed in the Space & Atmospheric Sciences Group at the Los Alamos National Laboratory.

Radiometric dating--the process of determining the age of rocks from the decay of their radioactive elements--has been in widespread use for over half a century.

Play a game that tests your ability to match the percentage of the dating element that remains to the age of the object.

Half-life is defined as the amount of time for half of the volume of a radioactive element to decay to the daughter isotope.