Redwall Limestone
Geologic formation in Arizona, USA / From Wikipedia, the free encyclopedia
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The Redwall Limestone is a resistant cliff-forming unit of Mississippian age that forms prominent, red-stained cliffs in the Grand Canyon, ranging in height from 500 feet (150 m) to 800 feet (240 m).
Quick Facts Type, Underlies ...
Redwall Limestone | |
---|---|
Stratigraphic range: Early and early Late Mississippian[1][2] | |
Type | Geological formation |
Underlies | Surprise Canyon Formation (Surprise Canyon Formation locally fills paleovalleys, caves, and collapse structures cut into the underlying Redwall Limestone.) |
Overlies | Muav Limestone and Temple Butte Formation |
Thickness | 800 feet (240 m), at maximum |
Lithology | |
Primary | fossiliferous limestone |
Other | dolomite and chert |
Location | |
Region | Northern Arizona, southeast California, New Mexico, and southern Utah, Nevada |
Country | United States of America |
Type section | |
Named for | the red appearance of its escarpment on either side of the Grand Canyon[3] |
Named by | Gilbert (1875)[3] |
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