Assertion: mastodon's bone | /r/HasProperty | same age
Facets:
Source sentences:
text: It is important to note that they [the authors] did not provide an absolute or chronometric date, rather the geochemistry shows that the trace elemental geochemistry is the same, thus the bones must be of the same age,” said Kenneth Tankersley, an assistant professor in the University of Cincinnati anthropology and geology departments.