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Age
Geological Age
Subdivision of geological time; shorter than an epoch and larger than a chron.
Wikipedia | Age (Geology)
Statements about
Age
Part Of
Epoch
Subclass Of
Geochronological Unit
Different From
Stage
Age
Age of the Earth
Has Part(s)
Polarity Chron
Studied By
Geochronology
External Pages About Age
KBpedia
Encyclopedia of China (Third Edition)