Glacial drift
Pleistocene, younger than 781,000 years. 35 crags on this site have their map point on it.
What the map says
Includes some unclassified glacial deposits Lithology: unconsolidated drift.
1:500,000 sheet: Horton and others, 2017, U.S. Geological Survey Data Series 1052 (35 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.
Crested Butte
- Battleship Boulder9 boulder problems · Skyland Boulders · 9,070 ft
- The Joint Boulder8 boulder problems · Skyland Boulders · 9,072 ft
- The Hone Stone7 boulder problems · Skyland Boulders · 9,072 ft
- High Times6 boulder problems · Skyland Boulders · 9,083 ft
- Red Sky Boulder aka Portrait of an Artist4 boulder problems · Skyland Boulders · 9,107 ft
- Supernatural Boulder4 boulder problems · Skyland Boulders · 9,072 ft
- The Wave1 route and 3 boulder problems · Skyland Boulders · 9,101 ft
- Warm-up Boulder3 boulder problems · Skyland Boulders · 9,064 ft
- Wedge Arete3 boulder problems · Skyland Boulders · 9,069 ft
Durango
- Garden of Eden Wall (Pool Area)18 routes and 1 boulder problem · Cascade Canyon · 8,740 ft
- Headbanger's Wall17 routes and 1 boulder problem · Cascade Canyon · 8,740 ft
- Genesis Wall (Canyon Entrance)15 routes · Cascade Canyon · 8,740 ft
- Futurescape Wall (Roof Area)13 routes · Cascade Canyon · 8,740 ft
- Restaurant Row (West Side)12 routes · Cascade Canyon · 8,740 ft
- Friendship Wall4 routes · Cascade Canyon · 8,833 ft
- 1st Overlook2 routes · Animas Mountain · 7,546 ft