Tonalite, Metasedimentary Rocks
about 4,000 to 541 million years old. 14 crags on this site have their map point on it.
What the map says
Light-gray quartz diorite consisting of plagioclase (predominant), quartz, and (subordinate) hornblende or biotite or both. Varies from medium-grained and equigranular to very fine-grained and porphyritic; nonfoliated. METASEDIMENTARY ROCKS (PRECAMBRIAN
1:100,000 sheet: Colton, Roger B., 1976, U.S. Geological Survey Geologic Investigations Series I-855-G (14 crags). A contact line at that scale is about 100 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.
Estes Park Valley
- Palisade Mountain97 routes and 4 boulder problems · Big Thompson Canyon · 7,399 ft · gneiss and schist (another source)
- Combat Rock29 routes · Big Thompson Canyon · 6,744 ft · gneiss and schist (another source)
- Caddis Cliff8 routes · Big Thompson Canyon · 5,322 ft · gneiss and schist (another source)
- Bobcat Ridge6 routes · Big Thompson Canyon · 5,322 ft · gneiss and schist (another source)
- Round Mountain1 route and 5 boulder problems · Big Thompson Canyon · 5,322 ft · gneiss and schist (another source)
- Catch and Release Crag aka Montreat Crag5 routes · Big Thompson Canyon · 5,322 ft · gneiss and schist (another source)
- Cedar Park Slab3 routes · Big Thompson Canyon · 7,568 ft · gneiss and schist (another source)
- Glen Comfort Crag3 routes · Big Thompson Canyon · 5,322 ft · gneiss and schist (another source)
- Glen Haven Picnic Area3 routes · Big Thompson Canyon · 5,322 ft · gneiss and schist (another source)
- Linger Longer Rock3 routes · Big Thompson Canyon · 5,322 ft · gneiss and schist (another source)
- Wishbone Ridge3 routes · Big Thompson Canyon · 5,324 ft · gneiss and schist (another source)
- Powerline Boulders1 route and 2 boulder problems · 6,598 ft
- Continuity Crag2 routes · Big Thompson Canyon · 5,322 ft · gneiss and schist (another source)
- Daryle's Rock1 route · Big Thompson Canyon · 5,322 ft · gneiss and schist (another source)