Uncompahgre Fm
Statherian, about 1,660 to 1,610 million years old. 12 crags on this site have their map point on it.
What the map says
Quartzite, slate, and phyllite Lithology: quartzite, slate, phyllite.
1:500,000 sheet: Horton and others, 2017, U.S. Geological Survey Data Series 1052 (12 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.
Ouray vicinity (rock)
- Technicolor Wall aka Techno Crag11 routes · 9,301 ft
- Waterfall Wall11 routes · 8,965 ft
- Camp Bird Mine Rd/Mountain Rescue Cache Crag6 routes · 8,102 ft
- The Secret Stash6 routes · Secret Stash, The · 9,453 ft
- The Mordwand4 routes · Mordwand, The · 9,334 ft
- Chunder Dome3 routes · 9,370 ft
- The Misfits Wall3 routes · Misfits Wall, The · 9,411 ft
- Slab of Despair3 routes · 8,859 ft