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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. 23 Oct. 2017 <http://www.encyclopedia.com>.

"erathem." A Dictionary of Earth Sciences. . Encyclopedia.com. (October 23, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/erathem

"erathem." A Dictionary of Earth Sciences. . Retrieved October 23, 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. 23 Oct. 2017 <http://www.encyclopedia.com>.

"erathem." A Dictionary of Ecology. . Encyclopedia.com. (October 23, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/erathem-0

"erathem." A Dictionary of Ecology. . Retrieved October 23, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/erathem-0