An Oligocene(?) Colorado Plateau edge in Arizona

Mineral District, Tectonics, Oligocene, Landscape Evolution, Geochronology, Volcanic, Clastic Sedimentary, [Rim gravels][Mogollon Rim fm][Mogollon Rim gravels] - Eocene/Oligocene, Round Top rhyolite, Blue House Mtn. basalt, Canyon Creek basalt, Canyon Creek gravel - Oligocene(?), [Show Low Creek basalt][composite flow-field of Show Low Creek][composite flow of Show Low Creek][Corduroy Creek basalt][Corduroy Canyon basalt] - Pleistocene/Pliocene, Baker Butte basalt, Buckhead Mesa basalt, gravel of Buckhead Mesa - Miocene(?), Verde Hot Springs andesite, Tule Mesa basalt - Hickey Fm(?), Fossil Creek basalt, West Clear Creek basalt, West Clear Creek dike, Wet Beaver Creek basalt, Slide Rock basalt, Oak Creek basalt, Slide Rock gravels, Horse Mesa basalt (Dry Beaver Creek), [Beaver Tail basalt][Beavertail Butte basalt] - [House Mountain volcanic complex][volcanics of House Mountain][igneous rocks of House Mountain], Casner Mountain basalt, (Blue Mountain gravels)Music Mountain Fm (Hualapai Plateau) - Paleocene/Eocene, Beaver Tail gravels(Beavertail Butte fm) - Miocene(?) or Oligocene(?),