Fine-grained porphyritic phase
Mesoproterozoic, about 1,600 to 1,000 million years old. 6 crags on this site have their map point on it.
What the map says
Pink, fine- to medium-grained, massive porphyritic biotite granite with phenocrysts of spheroidal gray quartz, subhedral microcline, and oligoclase
1:100,000 sheet: Kellogg and others, 2008, USGS Geologic Investigations Series 3000 (6 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.
South Platte
- Staunton Rocks171 routes and 2 boulder problems · Staunton State Park · 9,114 ft · granite (Pikes Peak Granite) (another source)
- Old Mill Area35 routes · Staunton State Park · 9,441 ft · granite (Pikes Peak Granite) (another source)
- Never Winter Wall16 routes · Staunton State Park · 9,152 ft · granite (Pikes Peak Granite) (another source)
- Beyond Authority10 routes · Staunton State Park · 9,299 ft · granite (Pikes Peak Granite) (another source)
- The Red Wall4 routes · Staunton State Park · 8,950 ft · granite (Pikes Peak Granite) (another source)
- Mason Jar1 route · Staunton State Park · 9,466 ft · granite (Pikes Peak Granite) (another source)