DescriptionGray shale (Benton Shale, Upper Cretaceous; Red Rock Canyon Open Space, Colorado Springs, Colorado, USA) 1.jpg
English: Shales in the Cretaceous of Colorado, USA.
The Benton Shale is a widespread marine shale unit in the Cretaceous of western America. It was deposited in the ancient Western Interior Seaway at a time of globally-high sea level.
Stratigraphy: Benton Shale, Upper Cretaceous
Locality: slope exposure along the Lower Hogback Trail, Red Rock Canyon Open Space, western side of the town of Colorado Springs, western El Paso County, central Colorado, USA (~vicinity of 38° 50’ 54.92” North latitude, 104° 52’ 30.71” West longitude)
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