Dawson Arkose
| Dawson Arkose | |
|---|---|
| Stratigraphic range: Early Paleocene | |
| Type | Formation |
| Unit of | D1 Sequence |
| Lithology | |
| Primary | Arkosic sandstone |
| Other | Mudstone |
| Location | |
| Region | Colorado |
| Country | United States |
| Type section | |
| Named for | Dawson Butte |
| Named by | Richardson (1915) |
The Dawson Arkose is a geologic formation in the Denver Basin that underlies the Denver area in Colorado. It is characterized by alternating beds of arkosic sandstone and mudstone. The Dawson Arkose contains plant remains and other nonmarine fossils, and hosts aquifers that are important sources of water for the area.