Web24 de jan. de 2009 · North America Geoscience Utah Tyrannosaurus rex from the Upper Cretaceous (Maastrichtian) North Horn Formation of Utah: Biogeographic and paleoecologic implications DOI: 10.1671/0272-4634... WebThe North Horn Formation is a widespread non-marine sedimentary unit with extensive outcrops exposed in central and eastern Utah. The formation locally exceeds 3,600 feet in thickness and is characterized by fluvial, lacustrine, and floodplain dominated systems, representing a terrestrial, high energy, depositional environment.[1][2][3] The sediments …
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WebIn 1937 a second specimen was found in the North Horn Formation of Utah, consisting of a partial skeleton (USNM 15560), comprised of a mostly complete pelvis and caudal vertebral series, from the Late Cretaceous. A sacral complex with five vertebrae was observed in the field but was not collected. WebIsolated vertebrae and limb bones indicate that it reached sizes comparable to Argentinosaurus and Puertasaurus, which would make it the largest dinosaur known from North America. Its fossils have been recovered … redfin st croix
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WebPaleoecology. Recovery of UMNH 11000 from the North Horn Formation, combined with the more southerly occurrences, suggest that Tyrannosaurus rex inhabited at least three distinct paleoenvironments ().The first consists of semiarid, upland, intermontane settings, characterized by fluvio-lacustrine sediments, red-beds, caliche and soils, all deposited … WebNorth Horn Mountain The North Horn Formation is a widespread non-marine sedimentary unit with extensive outcrops exposed in central and eastern Utah. The formation locally exceeds 3,600 feet (1,100 m) in thickness and is characterized by fluvial , lacustrine , and floodplain dominated systems, representing a terrestrial, high energy, depositional … Web24 de jan. de 2009 · The sedimentary evolution of the North Horn Formation observed in Price Canyon suggests that deposition of the formation should be divided into two … redfin st cloud fl