Figure 1. Great Canyon National playground conserves a renowned geologic landscaping and means which range from 1,840 to 270 million yrs . old, including diverse paleontological methods;

unconsolidated area deposits; an intricate tectonic and erosion record; and Pliocene to Holocene volcanic deposits. The Colorado lake demonstrated the program through the canyon about six million in years past, and probably advanced from pre-existing drainages to the recent program. Geologic steps, such as erosion of tributaries and slopes, and effective tectonics continue steadily to … Continued