relative age

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relative age The position within a time sequence (in the Earth sciences usually the stratigraphic time-scale) held by an event, fossil, mineral, or rock, compared with others of its kind, e.g. ‘an early Cambrian trilobite’ or a ‘Late Jurassic marine transgression’. No age in years is implied. Compare ABSOLUTE AGE. See also DATING METHODS.

relative age

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relative age The position of an event, fossil, etc. in relation to others of its kind within a time sequence (e.g. ‘an early Cambrian trilobite’ or ‘a late Jurassic marine transgression’). No age in years is implied. Compare absolute age. See also dating methods.