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  2. Moenkopi Formation - Wikipedia

    en.wikipedia.org/wiki/Moenkopi_Formation

    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.

  3. Bedform - Wikipedia

    en.wikipedia.org/wiki/Bedform

    Current ripples preserved in sandstone of the Moenkopi Formation, Capitol Reef National Park, Utah, United States.. A bedform is a geological feature that develops at the interface of fluid and a moveable bed, the result of bed material being moved by fluid flow.

  4. Ripple marks - Wikipedia

    en.wikipedia.org/wiki/Ripple_marks

    Ancient wave ripple marks in sandstone, Moenkopi Formation, Capitol Reef National Park, Utah. In geology, ripple marks are sedimentary structures (i.e., bedforms of the lower flow regime) and indicate agitation by water (current or waves) or directly by wind.

  5. Geology of the Capitol Reef area - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_Capitol...

    Ripple marks in Moenkopi Formation rock. Local climatic conditions were wetter and more tropical in the Early Triassic than they were previously. In the Capitol Reef area the resulting Moenkopi Formation is divided into four members (from oldest to youngest): [6] Black Dragon Member; Sinbad Limestone Member, Torrey Member, and; Moody Canyon Member.

  6. The Oracle (Fisher Towers) - Wikipedia

    en.wikipedia.org/wiki/The_Oracle_(Fisher_Towers)

    The Oracle is set on a fin and is composed of two principal strata of sandstone and mudstone: Permian Cutler Formation capped by Early Triassic Moenkopi Formation. There is an unconformity between the Cutler and the Moenkopi layers. [3] The reddish coloration of the rock is a result of varying amounts of hematite. [4]

  7. Thunderbird Mesa - Wikipedia

    en.wikipedia.org/wiki/Thunderbird_Mesa

    Thunderbird Mesa 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. The rock ranges in age from Permian at the bottom to Triassic at the top, with a major unconformity between the sandstone and Moenkopi. The ...

  8. Paleontology in Nevada - Wikipedia

    en.wikipedia.org/wiki/Paleontology_in_Nevada

    The oldest of these is the Moenkopi Formation, which recently produced the oldest Mesozoic vertebrate tracks from the state of Nevada. 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 ...

  9. Geology of the Canyonlands area - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_Canyonlands...

    From top to bottom: Rounded tan domes of the Navajo Sandstone, layered red Kayenta Formation, cliff-forming, vertically jointed, red Wingate Sandstone, slope-forming, purplish Chinle Formation, layered, lighter-red Moenkopi Formation, and white, layered Cutler Formation sandstone. Picture from Glen Canyon National Recreation Area, Utah.