Environmental Studies

A Dictionary of Earth Sciences A Dictionary of Ecology Further reading

relative age

A Dictionary of Earth Sciences | 1999 | | Copyright

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.

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AILSA ALLABY and MICHAEL ALLABY. "relative age." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "relative age." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O13-relativeage.html

AILSA ALLABY and MICHAEL ALLABY. "relative age." A Dictionary of Earth Sciences. 1999. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-relativeage.html

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relative age

A Dictionary of Ecology | 2004 | | Copyright

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.

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MICHAEL ALLABY. "relative age." A Dictionary of Ecology. 2004. Encyclopedia.com. 31 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "relative age." A Dictionary of Ecology. 2004. Encyclopedia.com. (May 31, 2012). http://www.encyclopedia.com/doc/1O14-relativeage.html

MICHAEL ALLABY. "relative age." A Dictionary of Ecology. 2004. Retrieved May 31, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-relativeage.html

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