Wingate Sandstone and Chinle Fm
Sandstone. Late Triassic, about 232 to 207 million years old. 10 crags on this site have their map point on it.
The map groups these named formations into this unit: Wingate Sandstone, Chinle Formation.
What the map says
The sheet gives no description for this unit. Lithology: sandstone, minor siltstone, conglomerate.
1:500,000 sheet: Horton and others, 2017, U.S. Geological Survey Data Series 1052 (10 crags). A contact line at that scale is about 500 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
- Interiors Wall Area20 routes and 1 boulder problem · Escalante Canyon · 5,705 ft
- Cabin Wall16 routes · Escalante Canyon · 5,419 ft · sandstone (another source)
- The Pot Holes Area9 routes · Escalante Canyon · 5,293 ft
- The Island aka Left side of Cabin Wall8 routes · Escalante Canyon · 5,590 ft
- Bikini Buttress Area6 routes · Escalante Canyon · 5,941 ft
- Green Machine Wall3 routes · Escalante Canyon · 6,087 ft
- Dam Wall1 boulder problem · Dominguez Canyon Bouldering · 4,749 ft
- Flying Time Block1 boulder problem · Dominguez Canyon Bouldering · 4,742 ft