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erathem

erathem The chronostratigraphic unit that is equivalent to the geologic-time unit era. An erathem comprises a number of systems grouped together and takes its name from the corresponding era, e.g. the Mesozoic Erathem would refer to the rocks laid down during the Mesozoic Era. At present it is a little used term.

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"erathem." A Dictionary of Earth Sciences. . Encyclopedia.com. 16 Dec. 2017 <http://www.encyclopedia.com>.

"erathem." A Dictionary of Earth Sciences. . Encyclopedia.com. (December 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/erathem

"erathem." A Dictionary of Earth Sciences. . Retrieved December 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/erathem

erathem

erathem See era.

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"erathem." A Dictionary of Ecology. . Encyclopedia.com. 16 Dec. 2017 <http://www.encyclopedia.com>.

"erathem." A Dictionary of Ecology. . Encyclopedia.com. (December 16, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/erathem-0

"erathem." A Dictionary of Ecology. . Retrieved December 16, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/erathem-0