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The Morrison Formation is a distinctive sequence of Upper Jurassic sedimentary rock found in the western United States which has been the most fertile source of dinosaur fossils in North America. It is composed of mudstone, sandstone, siltstone, and limestone and is light gray, greenish gray, or red.
La formación Morrison es una formación geológica que ha proporcionado importantes yacimientos fosilíferos del Jurásico superior. El nombre se refiere a Morrison, Colorado, donde Arthur Lakes descubrió los primeros fósiles en 1877.
23 de mar. de 2024 · Learn about the Morrison Formation, a rock unit from the Late Jurassic Period that contains fossils of numerous dinosaur species in the Western United States. Explore the geology, climate, plants, and animals that lived in the Morrison ecosystem millions of years ago.
Morrison Formation, series of sedimentary rocks deposited during the Jurassic Period in western North America, from Montana to New Mexico. The Morrison Formation is famous for its dinosaur fossils, which have been collected for more than a century, beginning with a find near the town of Morrison,
8 de jul. de 2022 · Learn about the Morrison Formation, a geologic formation in the western United States that preserves fossils of dinosaurs and other animals from the Late Jurassic period. Find out how it was discovered, what it contains, and where you can visit it in various national parks and natural landmarks.
The Morrison Formation is a distinctive sequence of Upper Jurassic sedimentary rock that is found in the western United States, which has been the most fertile source of dinosaur fossils in North America.
4 de jul. de 2022 · More than eleven species of dinosaurs have been discovered in the Morrison Formation within the monument. They range in size from about seven inches to nearly 100 feet, with some sauropods exceeding 50,000 pounds.
