Deep Cut Guide

Rocks of Pikes Peak Batholith (1000-m.y. age group)

Granite. Mesoproterozoic, about 1,600 to 1,000 million years old. 220 crags on this site have their map point on it.

The map groups these named formations into this unit: Pikes Peak Granite, Mount Rosa Granite, Windy Point Granite, Redskin Granite.

What the map says

Includes Pikes Peak, Mount Rosa, Windy Point, and Redskin Granites and unnamed rocks Lithology: granite, alkali feldspar granite, minor quartz monzonite.

1:500,000 sheet: Horton and others, 2017, U.S. Geological Survey Data Series 1052 (220 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.

South Platte

Colorado Springs

CO Ice & Mixed

Every mapped unit with a crag on it.