Assertion: archaeologist's site | /r/HasProperty | old
Facets:
value: far
type: DEGREE
value: for absolute dates
type: OTHER
value: primarily
type: DEGREE
Source sentences:
text: Cross-dating of sites, comparing geologic strata at one site with another location and extrapolating the relative ages in that manner, is still an important dating strategy used today, primarily when sites are far too old for absolute dates to have much meaning.