O le Piedmont o se faʻasologa o sedimentary ma igneous rock-based foothills i sasaʻe o mauga na fausia i le Mesozoic era. O le itulagi, lauiloa mo lona mamafa palapala eleele, aofia ai le Southwest Mountains faataamilo i Charlottesville. O le Blue Ridge Mountains o se physiographic itumalo o le Appalachian Mountains ma le maualuga manatu i le setete, o le maualuga o le Mauga Rogers i 5,729 futu (1,746 m). O le Ridge ma Valley itulagi o loʻo i sisifo o mauga ma aofia ai le Great Appalachian Valley. O le itulagi e faʻavae i luga o le carbonate ma aofia ai maʻa maʻa. O le Cumberland Mountain Plateau ma le Cumberland Plateau o loʻo i le itu i sasaʻe o mauga na fausia i le Mesozoic era. O lenei itulagi, lauiloa mo lona mamafa eleele eleele eleele, e aofia ai le Southwest Mountains faataamilo i Charlottesville.
4.5 i luga atu