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Thesaurus: chronostratigraphic unit
a segment of rock formed during a particular interval of geologic time.
Related headwords
formeddefinitiongeologicdefinitionintervaldefinitionparticulardefinitionrockdefinitionsegmentdefinitiontimedefinitionchronicfamilychronic bronchitisfamilychronic eczemafamilychronic gastritisfamilychronic glaucomafamilychronic glossitisfamilychronic leukemiafamilychronic pyelonephritisfamilychronicalfamilychronicallyfamilychroniclefamilychronicledfamilychroniclerfamilychroniclersfamilychroniclesfamily