There is also firm evidence for ironworking by the eighth century and the nature of the archaeological structures and deposits strongly supports the view that this was a sedentary settlement from the outset."
www.jstor.org/stable/j.ctv...

and occupation levels which have been well dated using AMS radiocarbon determinations, in addition to stratified pottery finds. A major surprise has been the identification of
rectangular stone buildings dating back to the tenth-ninth centuries BC...

"Recent work at the Numidian and Roman town of Althiburos offers a new perspective on early Numidian urbanization. By excavating deep trenches beneath and between the Roman remains, where most past excavators have tended to stop, this project has exposed a series of pre-Roman buildings...