Different rock dating methods is christina still dating matt rutler

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These layers are like bookends -- they give a beginning and an end to the period of time when the sedimentary rock formed.

Since the moon and the Earth probably formed at the same time, this supports the current idea of the Earth's age.

Each of them typically exists in igneous rock, or rock made from cooled magma.

Fossils, however, form in sedimentary rock -- sediment quickly covers a dinosaur's body, and the sediment and the bones gradually turn into rock.

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.

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