Equigranular biotite granite
Granite. Mesoproterozoic, about 1,600 to 1,000 million years old. 1 crag on this site has its map point on it.
What the map says
Gray, equigranular to slightly porphyritic, fine- to medium-grained biotite syenogranite to monzogranite mapped to south and east of the Log Cabin batholith; weathers to pink or tan; correlated with granite of Log Cabin batholith and other Silver Plume-type granites throughout the Front Range (Shaver and others, 1988). Lithology: syenogranite, monzogranite, granite.
1:100,000 sheet: Workman and others, 2018, U.S. Geological Survey Scientific Investigations Map 3399 (1 crag). 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.