At the Top of the Grandstaircase: the Late Cretaceous of Southern Utah SH-4C a correlation of the geologic

a correlation of the geologic units

Gunnison and Albert Carrington

800 feet along the Weber River in the southern part of the quadrangle to 10

which has caused compaction in the Escalante Valley aquifer and ground subsidence near Beryl Junction

crevasse-splay

At the Top of the Grandstaircase: the Late Cretaceous of Southern Utah SH-4C a correlation of the geologicThe Grand Staircase Escalante National Monument in Utah is the location of one of the best known terrestrial records for the late Cretaceous. A major effort in the new century has documented over 2,000 new vertebrate fossil sites, provided new radiometric dates, and identified five new genera of ceratopsids, two new species of hadrosaur, a probable new genus of hypsilophodontid, new pachycephalosaurs and ankylosaurs, several kinds of theropods