Organ Rock Formation Organ Rock Formation The Organ Rock Formation or Organ Rock Shale is a formation within the late Pennsylvanian to early Permian Cutler Group and is deposited across southeastern Utah, northwestern New Mexico, and northeastern Arizona. This formation notably outcrops around Canyonlands National Park, Natural Bridges National Monument, and Monument Valley. The age of the Organ Rock is constrained to the latter half of the Cisuralian Epoch by age dates from overlying and underlying formations. Important early terrestrial vertebrate fossils have been recovered from this formation in northern Arizona, southern Utah, and northern New Mexico. These include the iconic Permian terrestrial
Duckbill (rock formation) Duckbill (rock formation) Duckbill was a sandstone hoodoo rock formation at Cape Kiwanda State Natural Area, in the U.S. state of Oregon. The formation served as a tourist attraction along the Oregon Coast and was photographed frequently prior to being toppled by vandals on August 29, 2016. The group that toppled the rock asserted that it was a safety hazard because a friend of theirs had broken a leg on the rock formation. Chris Havel, Oregon Parks and Recreation Department associate director, noted that the formation was fenced-off and signs warned visitors against approaching it: "The fence is very clear,