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TECTONIC FAULTING: Mitten Park Fault, Harpers Corner, Dinosaur National Monument --- Spectacular vertical fault with adjacent folding of sedimentary layers in the lower left corner of the picture.
TECTONIC FAULTING: Thrust fault along Interstate-70, Silverthorne --- Younger rocks on the very bottom of this picture have been thrust under older rocks. The fault line ascends slowly from the lower right edge of the picture to beyond the center where some folding of the layers at the fault contact can be seen.