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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. Geology of the Capitol Reef area - Wikipedia

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

    Moenkopi Formation below Chinle on cliff above Capitol Reef Scenic Drive The 50 to 110 foot (15 to 34 m) thick slope-forming Black Dragon is composed of reddish conglomerate , sandstone, and siltstone that were likely deposited on a coastal plain followed by a tidal flat . [ 6 ]

  4. Moenkopia - Wikipedia

    en.wikipedia.org/wiki/Moenkopia

    Moenkopia (meaning "for Moenkopi") is an extinct genus of prehistoric sarcopterygians from the Coelacanthidae [1] found in the Middle Triassic Moenkopi Formation of Arizona.The type, and only species, M. wellesi, was named in 1961 in honour of Samuel Paul Welles. [2]

  5. Geology of the Zion and Kolob canyons area - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_Zion_and...

    The Shinarump was laid down in braided streams that flowed through valleys eroded into the underlying Moenkopi Formation. [8] This member of the Chinle forms prominent cliffs with thickness up to 200 feet (60 m), and its name comes from a Native American word meaning "wolf's rump" (a reference to the way this member erodes into gray, rounded ...

  6. 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 ...

  7. 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.

  8. Shinarump Conglomerate - Wikipedia

    en.wikipedia.org/wiki/Shinarump_Conglomerate

    The form of the channels suggests that the Moenkopi was not yet consolidated, but the de Chelly Sandstone was already well cemented, by the time Shinarump deposition began. Where the Shinarump lies on Moenkopi Formation, the upper Moenkopi beds tend to be bleached. [2] The upper contact of the Shinarump with younger Chinle beds tends to be ...

  9. Geology of the Grand Canyon area - Wikipedia

    en.wikipedia.org/wiki/Geology_of_the_Grand...

    Reddish Moenkopi outcrop below volcanic rubble on Red Butte. Uplift marked the start of the Mesozoic and streams started to incise the newly dry land. Streams flowing through broad low valleys in Triassic time deposited sediment eroded from nearby uplands, creating the once 1,000-foot (300 m)-thick Moenkopi Formation. [57]