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Steamboat Rock, reaching an elevation of 6,074 ft (1,851 m) is a promontory located in the eastern Uinta Mountains, in Moffat County of northwest Colorado, United States. [2] This iconic landmark of Dinosaur National Monument is situated at the confluence of the Green River and Yampa River.
Dinosaur Ridge is a segment of the Dakota Hogback in the Morrison Fossil Area National Natural Landmark located in Jefferson County, Colorado, near the town of Morrison and just west of Denver. In 1876, fossil excavation began at Dinosaur Ridge under the direction of Yale paleontologist Dr. Othniel Charles Marsh. [1]
Steamboat Rock and Echo Park. Echo Park is a remote river bottom surrounded by canyon walls on the Green River, just downstream from the confluence with the Yampa River and across the stream from the dramatic southern end of Steamboat Rock in Dinosaur National Monument. [1] [2]
Dinosaur National Monument is an American national monument located on the southeast flank of the Uinta Mountains [4] on the border between Colorado and Utah at the confluence of the Green and Yampa rivers. Although most of the monument area is in Moffat County, Colorado, the Dinosaur Quarry is located in Utah, north of the town of Jensen, Utah.
The outstanding geologic features of the park, including Steamboat Rock, the Three Graces, and Balanced Rock, are the ancient sedimentary beds of deep-red, pink and white sandstones, conglomerates and limestone that were deposited horizontally, but have now been tilted vertically and faulted into "fins" by the immense mountain building forces caused by the uplift of the Rocky Mountains and the ...
“The discovery and description of a fossil mammal skull is an important step forward in documenting the earliest diversification of mammals after Earth’s last mass extinction.”
The Dinosaur Diamond is a 486-mile (782 km) [1] scenic and historic byway loop through the dinosaur fossil laden Uinta Basin of the U.S. states of Utah and Colorado. [2] The byway comprises the following two National Scenic Byways :
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.