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The Jurassic in New Mexico, US

Jurassic in New Mexico map

undifferentiated rock units help

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Jurassic Fossils
Fossil photos from Jurassic in New Mexico

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Paleontology and geology

During the Middle Jurassic, a desert covered northern New Mexico and was replaced by a short-lived, hypersaline lake that lasted about 40,000 years. After that, the northern part of the state became an arid coastal plain. In Late Jurassic times, huge rivers flowed to the east and formed muddy floodplains. Dinosaurs, such as gigantic Seismosaurus and carnivorous Allosaurus, roamed the land. This map indicates fingers of Jurassic rock in the northern parts of the state.

Links to more on the Jurassic in New Mexico

Resources

Resources

Courses and Lectures (showing 1 of 1 listings)

Paleogeography of the Southwestern U.S.: The paleogeography of the southwestern U.S. from 1.8 billion years ago to 10 million years ago. Text and images by Dr. Ron Blakey from Northern Arizona University.

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Databases (showing 1 of 1 listings)

New Mexico Museum of Natural History and Science Web-based Paleo-database Home Page: Search the fossil collections of the New Mexico Museum of Natural History and Science. Listings by Kingdom down to species, era, epoch, group, formation, country, New Mexico county, and map ID. Many listings contain images of the fossils (including all holotypes.) 

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