Kayenta Formation
Early Jurassic, about 200 to 189 million years old. 5 crags on this site have their map point on it.
What the map says
Irregularly interbedded red, buff, and gray fine- to coarse-grained sandstone and lavender shale and siltstone. Thin beds of limestone-pebble and shale-pellet conglomerate locally present. Thickness 0 to 200 ft. Lithology: clastic; sandstone; shale; siltstone.
1:100,000 sheet: Day and others, 1999, U.S. Geological Survey Open-File Report 99-0427 (5 crags). A contact line at that scale is about 100 m wide on the ground.
Served by Macrostrat (CC BY 4.0). The wording is the map's own, quoted as a fact about the mapped unit, not about any one wall.
Grand Junction Area
- Devil's Canyon57 routes · McInnis Canyons · 5,480 ft
- No Thoroughfare Canyon15 routes · Colorado National Monument · 5,793 ft · sandstone (Wingate Sandstone) (another source)
- Fruita Canyon11 routes · Colorado National Monument · 5,793 ft · sandstone (Wingate Sandstone) (another source)
- Other areas4 routes · Colorado National Monument · 5,793 ft · sandstone (Wingate Sandstone) (another source)
- Ahab Tower1 route · Colorado National Monument · 5,793 ft · sandstone (Wingate Sandstone) (another source)