Laramide intrusive rocks
Phanerozoic, about 72 to 38 million years old. 16 crags on this site have their map point on it.
What the map says
Mainly intermediate to felsic compositions; some mafic Lithology: granitic, dioritic.
1:500,000 sheet: Horton and others, 2017, U.S. Geological Survey Data Series 1052 (16 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.
Independence Pass
- 3. Trailhead Wall15 routes · Monitor Rock · 10,229 ft
- 5. Iron Side Wall14 routes · Monitor Rock · 10,229 ft
- 6. Endless Wall8 routes · Monitor Rock · 10,229 ft
- East Side of Monitor Rock8 routes · Monitor Rock · 9,968 ft
- 1. Butt Wall7 routes · Monitor Rock · 10,229 ft
- 4. Boulder Wall6 routes · Monitor Rock · 10,229 ft
- 5b. Summit Dome6 routes · Monitor Rock · 10,229 ft
- 2. The Bird's Nest5 routes · Monitor Rock · 10,229 ft
- 7. F.Y. (Forever Young) Wall5 routes · Monitor Rock · 10,229 ft
- 4b. Iron Stone Wall4 routes · Monitor Rock · 10,229 ft
- Below Monitor Rock3 boulder problems · Monitor Rock · 10,229 ft
- 6b. Space Your Face Wall2 routes · Monitor Rock · 10,229 ft
- 8. Tombstone2 routes · Monitor Rock · 10,334 ft
- Upper Iron Side2 routes · Monitor Rock · 10,419 ft