Morrison Fm., Dakota Fm., Quaternary pediment depositsJackpile Member of the Morrison Fm. and Dakota Fm.Intensely folded Summerville Fm. overlain by Quaternary pediment depositsFault in Precambrian gneiss (Box Canyon)Fault in Precambrian gneiss (Box Canyon)Fault in Precambrian gneiss (Box Canyon)Fault gauge in Precambrian gneiss (Box Canyon)Fault gauge in Precambrian gneiss (Box Canyon)Fault gauge in Precambrian gneiss (Box Canyon)Tree on Precambrian gneiss (Box Canyon)Jackpile Member of Morrison Fm. with Jurassic/Cretaceous unconformity on topJackpile Member of Morrison Fm. with Jurassic/Cretaceous unconformity on topLooking northwardSierra Nacimiento in distanceJackpile sandstone (Morrison Fm.)
