quote:
e.t.c have been occupied much longer than we expect and the continued re settlement of these cities over time has made it difficult for archeologists to determine just how old they really are.
consider stonehedge, how does one make the distinction between when the stones formed & when they were craved?
Add to that after being carved [by man] their surface continued to be exposed the the effects of the elements.
What evidence should be looked for as objects [products] of technical of such periods would be soft & easily formed.
the natives in the gulf regions consumed oysters & used the shells formed the bases of construction so one could form some date form those shells on the bottom of such piles [constructions]? Changes in the topography in areas show how completely areas change [ex. sea shells found in desert regions => stratification in canyons]