Slickrock is defined by Mirriam-Webster as smooth wind-polished rock.
Answers.com says it is “lithified (consolidated) sand dune, a marine or aeolian sand dune that has become compacted and hardened.”
Sounds to me like a petrified sand dune.
Wagon wheels could not gain traction on this wind-polished "slick" sandstone, so Mormon settlers gave it the name slickrock.
The 2¾ mile hike from the campground to the lower falls is relatively easy - sandy, with little elevation change. Hiking the upper falls is a different story - there are several trails, all are significantly more difficult.
The Aquarius plateau is the highest timbered plateau in North America [Wikipedia, USGS].
The Grand Staircase is a huge geologic formation in Utah and Arizona, running from the Grand Canyon to Boulder Mountain.
Select Grand Staircase on the Geologic sites menu for more information on the Grand Staircase.
Scenic Byway 12 is 122 miles of outstanding scenery and geology that defies description. Our tour starts at the west end of U12 at US89, 7 miles south of Panguich.
Drive up Scenic Byway 12 to experience the colorful ride up Red Canyon and through its tunnels, see the awesome views and hoodoos in Bryce Canyon National Park, view the colors and sedimentary pipes of Kodachrome Basin State Park, climb onto the Aquarius plateau on top of the Grand Staircase inside the Grand Staircase Escalante National Monument, drive up the mountain past
the Blues to Petrified Forest State Park on the west end of the town of Escalante, go by petrified sand dunes next to live dunes at the side of the road on the wind-eroded slickrock - awesome views of petrified sand left behind when the ocean dried up eons ago, drive through scenic Calf Creek Canyon with Lower and Upper Calf Creek Falls, an
on top of the world and look down into the canyon from from either side of the road on the hogback - a narrow ridge between two benches barely wide enough for the highway, stop at the Anasazi State Park Museum to view artifacts of the Ancestral Puebloans who lived here long ago, drive over Boulder Mountain with stunning views from Boulder summit of the Henry Mountains, Waterpocket Fold inside capitol Reef National Park, and Lower Browns Reservoir, then down the mountain and off the Aquarius plateau to U12's end at U24 in Torrey, 5 miles west of the entrance to Capitol Reef National Park.
Digress with a side trip down historic Burr Trail with outstanding scenery, through Long Canyon and down the Waterpocket Fold switchbacks to the junction with Notom-Bullfrog Road. Turn around and climb the switchbacks to return to U12, or go north on Notom-Bullfrog Road to Scenic Byway U24, and west through Capitol Reef National Park to the eastern end of Scenic Byway U12 at Torrey. The Burr Trail continues to U279 north of Bullfrog.
Scenic Byway U12 photos are divided into seven sections, west to east, as illustrated by the cycling banners:
Red Canyon, Bryce Canyon National Park, Powell Point atop
the Blues, Scenic Byway U12 down slick rock hill, Calf Creek Canyon, the Hogback, and a view from Boulder Summit.
Cycling photos at about 7 second intervals, with obscure previous/pause-resume/next/stop image-buttons in the upper-right corner that will light up on mouse-over. Select pause and previous/next to view at different interval or highlight information, resume to continue with the next photo. The Photo Gallery for previewing photos is followed by a QuickTour auto-show with one photo from each of the seven sections, a menu of Auto-shows of each of the seven sections and an auto-show of all Scenic Byway U12 photos, and Central Utah Map that shows Scenic Byway 12 winding through mountainous south-central Utah between US89 at its western end and Scenic Byway Scenic Byway U24 at Torrey on the eastern end.