Keywords: Upheaval dome clastic dike1 PWH.jpg en Photo by Dr Peter Huntoon See these references 1 Huntoon P W 2000 Upheaval dome Canyonlands Utah strain indicators that reveal an impact origin in Sprinkel D A T C Chidsey and P A Anderson eds Geology of Utah s parks and monuments Utah Geological Association p 619-628 2 Huntoon P W and Shoemaker E M 1995 Roberts rift Canyonlands Utah a natural hydraulic fracture caused by comet or asteroid impact Ground Water v 33 p 561-569 own Northisle cc-zero Upheaval Dome Stratigraphy Clastic dikes |