Language can be easily dated.
Writing can be dated.
Pottery can be dated.
Art historians can date art very often.
What archaeological period is the context here?
What stratum were artifacts found in?
WHAT ARCHAEOLOGICAL PERIOD IS BEING PROPOSED HERE???
Im only refering to social "science" in the above 4 examples nevermind the unmentioned hard science.
Archaeology isnt just a treasure hunt like 200 years ago.