Pre-ash-flow andesitic lavas, breccias, tuffs, and conglomerates
Sandstone. Paleogene, about 38 to 28 million years old. 23 crags on this site have their map point on it.
What the map says
Includes several named units Lithology: andesite, minor volcanic, conglomerate, igneous.
1:500,000 sheet: Horton and others, 2017, U.S. Geological Survey Data Series 1052 (23 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.
Gunnison
- The Point, Powderhorn, Colorado (AKA Indian Creek)17 routes · Point, Powderhorn, Colorado (AKA Indian Creek), The · 9,576 ft
- The Corridor14 boulder problems · Real Lost Canyon · 8,228 ft
- The Damocles Boulders5 boulder problems · Real Lost Canyon · 8,251 ft
- Cake Boulder2 boulder problems · Real Lost Canyon · 8,251 ft
- The Broadhead1 route · Castles, The · 11,955 ft
- Main Castle Formation1 route · Castles, The · 12,288 ft