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From Wikipedia, the free encyclopedia
The Cambrian Warrior Formation is a mapped limestone bedrock unit in Pennsylvania.
Warrior Formation | |
---|---|
Stratigraphic range: Cambrian | |
Type | sedimentary |
Underlies | Gatesburg Formation |
Overlies | Pleasant Hill Formation |
Thickness | 250 ft at type sections,[1] 1350 ft in Nittany Arch,[2] 746 ft at Waddle.[3] |
Lithology | |
Primary | limestone |
Other | shale, siltstone, sandstone |
Location | |
Region | Appalachian Basin |
Country | United States |
Extent | Bedford Co., Blair Co., Centre Co., Huntingdon Co.[4] |
Type section | |
Named for | Warrior Run, Blair County |
Named by | C. Butts, 1918[1] |
The Warrior Formation is described by Berg and others as gray, thin- to medium-bedded, fossiliferous, cyclic limestone bearing stromatolites, interbedded with shale, siltstone, and sandstone.[5]
Relative age dating places the Warrior Formation in the middle to late Cambrian.
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