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- Toroweap_Formation abstract "The Middle Permian Toroweap Formation is a thin, darker geologic unit, between the brighter colored units of the Kaibab Limestone above, and Coconino Sandstone below. It is a prominent unit in Grand Canyon, Arizona, USA, found through sections of the South Rim, Grand Canyon, and the North Rim, of the Kaibab Plateau; also the Kaibab's southeast extension to Cape Royal, the Walhalla Plateau. The Colorado River of the Grand Canyon makes its excursion from due-south to due-west around the Walhalla Plateau, as it enters the east end of the Grand Canyon's interior, Granite Gorge. The formation is also found in southeast Utah.The Toroweap Formation is a darker unit of gypsum and shale; also sandstone. In photos the cliff-forming Kaibab and Coconino units, show the more erodable Toroweap Formation slope-forming accumulations upon the underlying Coconino Sandstone; likewise below the Coconino, the softer Hermit Formation is shown forming slopes, above the slope forming 'redbeds' of the Supai Group. Close-up views of the Toroweap will show the resistant sandstone sub-units as erosion resistant sections.Cliffs of the Toroweap Formation can be found in Walnut Canyon National Monument, about 70-mi southeast of the Grand Canyon, and east of Flagstaff, Arizona.Marine transgression, and continental wind-blown sand, laid down the three units of Kaibab, Toroweap, and Coconino. The oceanic sea came from the west, and receded and re-transgressed. The Coconino Sandstone being made of sand dunes, continental, means that near-shore Toroweap deposits, and off-shore Kaibab Limestone, can all have the same actual ages in different regions where they were deposited, (continental, near-shore, open sea). In Arizona, the Toroweap formation is found in two transgessions eastwerds, with easternmost 'strand-lines' locating the shoreline, Toroweap west, and Coconino sand dunes or beach deposits, east.".
- Toroweap_Formation thumbnail Grand_Canyon_National_Park-_Toroweap_Formation.jpg?width=300.
- Toroweap_Formation wikiPageID "35897048".
- Toroweap_Formation wikiPageRevisionID "603096550".
- Toroweap_Formation age "Early Permian,".
- Toroweap_Formation caption "Toroweap formation in Grand Canyon National Park".
- Toroweap_Formation extent "Grand Canyon, North & South Rims, northeast Arizona, southeast Utah".
- Toroweap_Formation hasPhotoCollection Toroweap_Formation.
- Toroweap_Formation imagesize "200".
- Toroweap_Formation overlies Coconino_Sandstone.
- Toroweap_Formation period "Permian".
- Toroweap_Formation prilithology "gypsum & shale, also sandstone".
- Toroweap_Formation region "-Colorado Plateau".
- Toroweap_Formation region "Northern Arizona, southeast Utah".
- Toroweap_Formation thickness "approximate maximum".
- Toroweap_Formation type Formation_(stratigraphy).
- Toroweap_Formation underlies "Kaibab Limestone-, Grand Canyon, North Rim, Kaibab Plateau), elsewhere in Arizona, Utah".
- Toroweap_Formation subject Category:Colorado_Plateau.
- Toroweap_Formation subject Category:Geologic_formations_of_the_United_States.
- Toroweap_Formation subject Category:Geology_of_Arizona.
- Toroweap_Formation subject Category:Geology_of_Utah.
- Toroweap_Formation subject Category:Grand_Canyon.
- Toroweap_Formation comment "The Middle Permian Toroweap Formation is a thin, darker geologic unit, between the brighter colored units of the Kaibab Limestone above, and Coconino Sandstone below. It is a prominent unit in Grand Canyon, Arizona, USA, found through sections of the South Rim, Grand Canyon, and the North Rim, of the Kaibab Plateau; also the Kaibab's southeast extension to Cape Royal, the Walhalla Plateau.".
- Toroweap_Formation label "Toroweap Formation".
- Toroweap_Formation sameAs m.0jwsbrx.
- Toroweap_Formation sameAs Q7826713.
- Toroweap_Formation sameAs Q7826713.
- Toroweap_Formation wasDerivedFrom Toroweap_Formation?oldid=603096550.
- Toroweap_Formation depiction Grand_Canyon_National_Park-_Toroweap_Formation.jpg.
- Toroweap_Formation isPrimaryTopicOf Toroweap_Formation.
