> This might well have been asked and answered previously, so
> apologies for repeating it and all that.
> If these columns were quarried and shaped by somebody before
> the Romans arrived on the scene, then should we expect to see
> tool marks different to any that the Romans might have made?
It wasn't asked, probably should have been.
I read one paper that said there were no saw marks so they concluded the romans didn't use saws.
That's all I can contribute since I don't know what tools and methods the romans typically used at that time.