A Geological Tour of Denver, Golden, and Colorado's Front Range

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The Morrison Formation

Morrison Formation - Maroon and grey-green claystones and mudstones, and red sandstones

Eastern side of the Interstate 70 roadcut through Dinosaur Ridge (Dakota Hogback) at the Morrison exit west of Denver, looking aouth along Rooney Road/C-470. Green Mountain is across the valley on the left.

Morrison Formation