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The Deseret Limestone, also known as the Pine Canyon Formation, [1] is a geologic formation in Utah.It was formed by the Panthalassa ocean around 340 Ma. It preserves marine fossils dating back to the Carboniferous period or Mississippian age, mostly consisting of tabulate and rugose corals, and other marine invertebrates; vertebrates are represented by conodonts.
The geology of Utah, in the western United States, includes rocks formed at the edge of the proto-North American continent during the Precambrian.A shallow marine sedimentary environment covered the region for much of the Paleozoic and Mesozoic, followed by dryland conditions, volcanism, and the formation of the basin and range terrain in the Cenozoic.
The unit was first named as the Virgin limestone member of the Moenkopi Formation in 1922, by Harvey Bassler and John Reeside. [2] The unit was promoted to formation rank (and the Moenkopi Formation to group rank) in southwestern Utah) by S.J. Poborski in 1954.
The limy ooze above would later lithify into the hard and compact limestone of the Carmel Formation, 200 to 300 feet (61 to 91 m) thick. [7] Many unique environments were created by the migrating Sevier thrust system, and the four members of the Carmel Formation in southwest Utah capture these changing environments.
Devil's Slide is a geological formation located near the border of Wyoming in northern Utah's Weber Canyon, near the community of Croydon in Morgan County, Utah, United States. The Slide consists of two parallel limestone strata that have tilted to lie vertical, protruding 40 feet (12 m) out of the mountainside.
The Sinbad Limestone of the greater Moenkopi formation lies at the Northern end the San Rafael Swell in the state of Utah. [ 3 ] [ 5 ] Portions of the San Rafael Swell region, including the Sinbad Limestone, have been prospected for oil and other minerals as early as 1918 [ 3 ] and more recently in 2007. [ 4 ]
The Notch Peak Formation is a geologic formation in Utah.It preserves fossils dating back to the Cambrian period.. The Notch Peak Formation has three recognized members: Hellnmaria, Red Tops, and Lava Dam Members (in ascending order), all of which are composed of limestone and dolomite. [2]
The Great Blue Limestone is a geologic formation in Utah. It preserves fossils dating back to the Carboniferous period. See also. Earth sciences portal;