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John Day Fossil Beds National Monument is a U.S. national monument in Wheeler and Grant counties in east-central Oregon.Located within the John Day River basin and managed by the National Park Service, the park is known for its well-preserved layers of fossil plants and mammals that lived in the region between the late Eocene, about 45 million years ago, and the late Miocene, about 5 million ...
When the John Day Fossil Beds National Monument was established in 1975, the initial development plan recommended purchasing the Cant Ranch complex for use as the monument's headquarters and visitor center. The National Park Service purchased 878 acres (3.55 km 2) from the Cant family in 1975. This included the main ranch complex and adjacent ...
The Painted Hills is a geologic site in Wheeler County, Oregon that is one of the three units of the John Day Fossil Beds National Monument along with Sheep Rock and Clarno. It totals 3,132 acres (12.67 km 2) and is located 9 miles (14 km) northwest of Mitchell, Oregon.
John Day Fossil Beds map. The John Day Formation is a series of rock strata exposed in the Picture Gorge district of the John Day River basin and elsewhere in north-central Oregon in the United States.
This is when Oregon's fossil-rich John Day Fossil Beds were first laid down. [25] The earliest fossils in John Day indicate a subtropical terrestrial environment. The assemblage is rich in fossil seeds, fruit nuts, and associated woods, and is one of the few places in the world where all three are preserved in a single location. [26]
Condon Hall at the University of Oregon, which originally housed the geology department, was named for Condon, [12] as were the Thomas Condon Paleontology Center at the Sheep Rock unit of the John Day Fossil Beds National Monument, near Kimberly, Oregon, [13] temporary Lake Condon, formed periodically by the Missoula Floods, and the Condon Fossil Collection of the University of Oregon Museum ...
Aloft over the landscape of Bavaria some 147 million years ago was a pterosaur - an ancient flying reptile - with a wing span of about 7 feet (2 meters), a bony crest on front of its snout and a ...
John Day Formation John Day Fossil Beds National Monument: Late Eocene-Early Miocene (Duchesnean-Hemingfordian) [27] [28] Nye Formation: Chattian-Burdigalian (Arikareean-Hemingfordian) [29] Astoria: Astoria Shale: Oligocene [30] [31] [32] Scotts Mills Formation: Chattian [33] Yaquina Formation: Chattian [34] [35] Alsea Formation: Rupelian [36 ...