PAINTED HILLS

'Painted Hills' is one of the three units of the John Day Fossil Beds National Monument, located in Wheeler County, Oregon It totals 3,132 acres (12.7 km²) and is located 9 miles (14 km) northwest of Mitchell, Oregon and 75 miles east of Bend.^[1] Painted Hills is named after the colorful layers of its hills corresponding to various geological eras, formed when the area was an ancient river floodplain. The black soil is lignite that was vegetative matter that grew along the floodplain. The grey coloring is mudstone, siltstone, and shale.^[2] The red coloring is laterite soil that formed by floodplain deposits when the area was warm and humid.^[3]

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References

External links

References

1. John Day Fossil Beds National Monument - Painted Hills Unit
2. John Day Fossil Beds National Monument, Oregon
3. John Day Fossil Beds National Monument, Oregon

External links

★ John Day Fossil Beds National Monument Homepage

★ http://www.uoregon.edu/photo_archives/2004gallery/_spring/paintedhills.html

★ Painted hills in Oregon photo slideshow