Environmental Studies

A Dictionary of Earth Sciences A Dictionary of Ecology Further reading

concurrent range zone

A Dictionary of Earth Sciences | 1999 | | Copyright

concurrent range zone (overlap zone) A body of strata which is characterized by the overlapping stratigraphic range of two or more taxa, selected as diagnostic, and after which the zone is named. Concurrent range zones are very widely used in the time correlation of strata.

2. See OPPEL ZONE. Compare ASSEMBLAGE ZONE; and PARTIAL RANGE ZONE.

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AILSA ALLABY and MICHAEL ALLABY. "concurrent range zone." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

AILSA ALLABY and MICHAEL ALLABY. "concurrent range zone." A Dictionary of Earth Sciences. 1999. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O13-concurrentrangezone.html

AILSA ALLABY and MICHAEL ALLABY. "concurrent range zone." A Dictionary of Earth Sciences. 1999. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O13-concurrentrangezone.html

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concurrent range zone

A Dictionary of Ecology | 2004 | | Copyright

concurrent range zone(overlap zone) A body of strata which is characterized by the overlapping stratigraphic range of two or more taxa, selected as diagnostic, and after which the zone is named. Concurrent range zones are very widely used in the time correlation of strata. See also Oppel zone. Compare assemblage zone.

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MICHAEL ALLABY. "concurrent range zone." A Dictionary of Ecology. 2004. Encyclopedia.com. 28 May. 2012 <http://www.encyclopedia.com>.

MICHAEL ALLABY. "concurrent range zone." A Dictionary of Ecology. 2004. Encyclopedia.com. (May 28, 2012). http://www.encyclopedia.com/doc/1O14-concurrentrangezone.html

MICHAEL ALLABY. "concurrent range zone." A Dictionary of Ecology. 2004. Retrieved May 28, 2012 from Encyclopedia.com: http://www.encyclopedia.com/doc/1O14-concurrentrangezone.html

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