Felsic and hornblendic gneisses, either separate or interlayered
Gneiss, schist & quartzite. Paleoproterozoic, about 2,500 to 1,600 million years old. 37 crags on this site have their map point on it.
What the map says
Includes metabasalt, metatuff, and interbedded metagraywacke; locally contains interlayered biotite gneiss. Derived principally from volcanic rocks Lithology: gneiss, minor metabasalt, metagraywacke.
1:500,000 sheet: Horton and others, 2017, U.S. Geological Survey Data Series 1052 (37 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.
10 Mile Canyon
- White Cliff19 routes · 9,187 ft
- Officer's Gulch West18 routes · 9,882 ft
- Sunshine Buttress (aka Wichita Wall)16 routes and 1 boulder problem · 9,416 ft
- The Dome14 routes · Dome, The · 9,336 ft
- Officer's Wall5 routes · Diamond /Officer's Wall Massif, The · 9,990 ft
- Mount Royal (near Frisco)5 routes · 9,543 ft
- The Diamond Wall4 routes · Diamond /Officer's Wall Massif, The · 9,942 ft
- The Shire3 routes · Shire, The · 9,323 ft
- Caveman Boulder3 boulder problems · Sunshine, Ding Dong Dome Bouldering · 9,190 ft
- 10 Mile Tower1 route · 9,300 ft
Steamboat Springs
- Main Amphitheater13 routes · Cougar · 8,449 ft
- Blob Rock8 routes · Fish Creek Falls · 7,922 ft
- Birthday Boulder7 boulder problems · 8,086 ft
- Right Wing6 routes · Cougar · 8,554 ft
- Lower Tier3 routes · Cougar · 8,465 ft
- Mad Creek2 routes · 6,974 ft
- Front Porch-Bouldering2 boulder problems · Seedhouse Crag · 7,895 ft
- The Wall2 boulder problems · Wall, The · 7,629 ft
- Perry-Mansfield Peak (10,790)1 route · Mt. Zirkel Wilderness · 10,705 ft