Talus
Quaternary, younger than 126,000 years. 1 crag on this site has its map point on it.
What the map says
Angular blocks of rock and abundant interstitial smaller rock fragments on steep slopes and at base of cliffs; accumulated primarily by rock falls. Includes some deposits transported by debris flow and by snow avalanche. Most talus is Holocene. GRI Source Map ID 141 (I-1973). Lithology: unconsolidated.
1:100,000 sheet: National Park Service Geologic Resources Evaluation program, 2006, National Park Service (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.