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Home > Terms > Spanish, Latin American (XL) > período
período
The fundamental unit in the hierarchy of time units; a part of geologic time during which a particular sequence of rocks designated as a system was deposited. Units of geological time that are the major subdivisions of Eras.
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The second largest of the Great Lakes of North America, bounded on the west by Michigan (U. S. ) and on the north and east by Ontario (Can. ). The ...
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