radioactive dating of rocks gcse

The age of the rock can be calculated by measuring the ratio of 40 Ar accumulated to 40 K remaining. Atomic structure, r adioactivity and nuclear physics revision notes index. Some elements within the minerals of a rock are radioactive, which means that they transform into different elements through time. Uranium has a very long half-life so deposits of it are still quite abundant around the world. Nitrogen 14 N. Four Uses of radioactive decay data: half-life values and calculations. All living things therefore have carbon - 14 in them at the same amount which is present in the environment.

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