Every year I lead a group of travelers and hikers on a trip to Canyonlands and Arches National Parks for day hikes. The trips are part of the Museum of Northern Arizona's Venture's Program. This program has been functioning as one of the longest running natural history tour programs on the Colorado Plateau. This years trip saw great wildflowers, excellent weather, and congenial hikers!
erg or sand sea in the Jurassic.
arkose, are many cobbles or boulders of Precambrian age schist, gneiss and granite. This is the debris that came off of the Ancestral Rocky Mountains. When one follows the Cutler beds to the south and west, the deposit becomes finer-grained and more mature. This is what allows geologists to know with precision the ancient landscapes in this area.
laccolith, by taking the La Sal Mountain Loop Road. The snow had just melted and we were among the first of the season to traverse the road.