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Moody Canyon Member. Thinly bedded slope forming siltstone and mudstone with minor evaporites. San Juan Basin and Tucumcari: [12] [20] [21] Anton Chico Member. Described previously as the red sandstone member of the Santa Rosa Formation, but placed in its own formation after it was recognized to be middle Triassic in age. Subsequently, named as ...
The fossilized plants and animals in the Moenkopi are evidence of a climate shift to a warm tropical setting that may have experienced monsoonal, wet-dry conditions. [8] The Red Canyon Conglomerate, the basal member of the Moenkopi, fills broad east-flowing paleochannels carved into the Kaibab Limestone. [9]
The youngest member of the Moenkopi is the 320 to 430 foot (98 to 130 m) thick Moody Canyon Member. Moody Canyon is informally sub-divided into two units: [10] a lower slope-forming 200 to 300 foot (60 to 90 m) thick unit of reddish-brown siltstone and; an upper cliff-forming 120 to 130 foot (37 to 40 m) thick unit of reddish-orange siltstone.
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.
Moenkopi outcrops are found along the Colorado River in Marble Canyon, on Cedar Mountain (a mesa near the southeastern park border), and in Red Butte (located south of Grand Canyon Village). [57] Remnants of the Shinarump Conglomerate , itself a member of the Chinle Formation , are above the Moenkopi Formation near the top of Red Butte but ...
4 – layered red Kayenta Formation, 3 – cliff-forming, vertically jointed, red Wingate Sandstone, 2 – slope-forming, purplish Chinle Formation, layered, lighter-red Moenkopi Formation 1 – white, layered Cutler Formation sandstone. Picture from Glen Canyon National Recreation Area, Utah
Red Butte is the most notable feature on the Coconino Plateau between the San Francisco volcanic field and the Grand Canyon. Its base is formed of sandstones of the Moenkopi Formation . Above that are strata of the Shinarump Conglomerate ; the summit is capped with volcanic rocks.
Moenkopi (Hopi: Mùnqapi, Navajo: Oozéí Hayázhí) is a census-designated place (CDP) in Coconino County, Arizona, United States, adjacent to the southeast side of Tuba City off U.S. Route 160. The population was 964 at the 2010 census .