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Cedar Hill Sandstone

Geologic Formation in OK, KS

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Lithology

Shale

Sandstone

Siltstone

Geologic Age

Permian (299.05 Ma – 252.23 Ma ago)

Geologic Unit Label

Pch

WOODWARD- Orange-brown to greenish-gray fine-grained sandstone and siltstone, with some red-brown shale. Thickness ranges up to 180 feet, with more sandstone to the north and more shale to the south. ENID- Mainly orange-brown, fine-grained quartzose sandstone. Thickness about 180 feet (55 m). (El Reno Group). CLINTON- “Cedar Hill Sandstone,” Pch, greenish-gray sandstone and reddish-brown shales; thickness, about 180 feet; gradational southward into Duncan Sandstone. OKLAHOMA CITY- Lenticular beds of orange-brown fine-grained sandstone and red-brown shale; lower part grades southward into “Duncan Sandstone”. “Piedmont Sandstone Bed” at base. Thickness, 180 feet (only lower 80 feet exposed in mapped area). (El Reno Group).

— USGS

Taxonomy

Classified As

Geologic Formation