Deep Cut Guide

Dakota Sandstone and Burro Canyon Fm

Sandstone. Cretaceous, about 129 to 95 million years old. 51 crags on this site have their map point on it.

The map groups these named formations into this unit: Dakota Sandstone, Burro Canyon Formation.

What the map says

Sandstone, shale, and conglomerate. In northwest and west-central: Lower Cretaceous. In southwest: Lower and Upper Cretaceous. Lithology: sandstone, shale, conglomerate.

1:500,000 sheet: Horton and others, 2017, U.S. Geological Survey Data Series 1052 (51 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.

Durango

Four Corners Area

Montrose

Pagosa Springs

Grand Junction Area

Naturita and Paradox Valley

Every mapped unit with a crag on it.