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The Moenkopi Formation is a geological formation that is spread across the U.S. states of New Mexico, northern Arizona, Nevada, southeastern California, eastern Utah and western Colorado. This unit is considered to be a group in Arizona.
List of rhynchosaur genera; Genus Species Age Location Unit Notes Ammorhynchus. A. navajoi. Anisian US Moenkopi Formation. A stenaulorhynchine. Beesiiwo [6] B. cooowuse. Carnian US Popo Agie Formation. A hyperodapedontine previously referred to Hyperodapedon. Brasinorhynchus. B. mariantensis. Ladinian Brazil. Santa Maria Formation
Name Age Location Description Aganane Formation [1]: Pliensbachian Morocco [1] Up to 1350 tracks, most of them currently undescribed. Includes the largest Otozoum described in literature.
Mitchell Butte is composed of three principal strata. The bottom layer is slope-forming Organ Rock Shale, the next stratum is cliff-forming De Chelly Sandstone, and the upper layer is Moenkopi Formation. [6] The rock ranges in age from Permian at the bottom to Triassic at the top. The buttes and mesas of Monument Valley are the result of the ...
Gray Whiskers is composed of three principal strata. The bottom layer is slope-forming Organ Rock Shale, the next stratum is cliff-forming De Chelly Sandstone, and the upper layer is Moenkopi Formation. [7] The rock ranges in age from Permian at the bottom to Triassic at the top. The buttes and mesas of Monument Valley are the result of the ...
The bottom layer is Organ Rock Shale, the next stratum is cliff-forming De Chelly Sandstone, and the upper layer is Moenkopi Formation capped by Shinarump Conglomerate. The rock ranges in age from Permian at the bottom to Late Triassic at the top. The buttes and mesas of Monument Valley are the result of the Organ Rock Shale being more easily ...
The UK's biggest ever dinosaur trackway site has been discovered in a quarry in Oxfordshire. About 200 huge footprints, which were made 166 million years ago, criss-cross the limestone floor.
Overlying the Moenkopi Fm is the Chinle Fm, which has produced some isolated Phytosaur teeth from the Muddy Mountains, some associated bones of Metoposaurs from the Spring Mountains, and abundant petrified wood where ever else it is exposed. These unit record the transition from tidal flats to swamping fluvial environments in southern Nevada ...