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The map of North America with the Western Interior Seaway during the Campanian. The Western Interior Seaway (also called the Cretaceous Seaway, the Niobraran Sea, the North American Inland Sea, the Western Interior Sea and sometimes nicknamed "Hell's Aquarium") was a large inland sea that split the continent of North America into two landmasses for 34 million years.
The location of the state of New Mexico. Paleontology in New Mexico refers to paleontological research occurring within or conducted by people from the U.S. state of New Mexico. The fossil record of New Mexico is exceptionally complete and spans almost the entire stratigraphic column. [1] More than 3,300 different kinds of fossil organisms have ...
The geologic history of the state began with its assembly during the Yavapai and Mazatzal orogenies 1750 to 1650 million years ago (Mya). This was followed by 200 million years of tectonic quiescence that ended in the Picuris orogeny. This event transformed the New Mexico crust into mature continental crust.
The city's geographic center is at an elevation of 4,281 feet (1,305 m) above sea level. [15] U.S. Routes 60, 70, and 84 pass through the city. US 60 and 84 lead west 60 miles (97 km) to Fort Sumner, while US 70 leads southwest 19 miles (31 km) to Portales and 110 miles (180 km) to Roswell.
Blue area shows area once flooded by the Delaware Sea. The Delaware Basin is a geologic depositional and structural basin in West Texas and southern New Mexico, famous for holding large oil fields and for a fossilized reef exposed at the surface. Guadalupe Mountains National Park and Carlsbad Caverns National Park protect part of the basin.
Palo Duro Canyon is a canyon system of the Caprock Escarpment located in the Texas Panhandle near the cities of Amarillo and Canyon. [2] As one of the largest canyons in the United States, it is roughly 25–40 mi (40–64 km) long and has an average width of 6 mi (9.7 km), but reaches a width of 20 mi (32 km) at places.
Geography of New Mexico. With a total area of 121,590 square miles (314,900 km 2), [1] New Mexico is the fifth-largest state, after Alaska, Texas, California, and Montana. Its eastern border lies along 103°W longitude with the state of Oklahoma, and 2.2 miles (3.5 kilometres) west of 103°W longitude with Texas (due to a 19th-century surveying ...
Amarillo (/ ˌæməˈrɪloʊ / [6] AM-ə-RIL-oh; Spanish for "yellow") is a city in the U.S. state of Texas and the seat of Potter County. It is the 14th-most populous city in Texas and the most populous city in the Texas panhandle. [7] A portion of the city extends into Randall County. The estimated population of Amarillo was 200,393 as of ...