| Santa Fe Group | |
|---|---|
| Stratigraphic range: Oligocene to Pleistocene, | |
&sq=Envato&lang=en&file=File:Los_Barrancos_Pojoaque.jpg) Los Barrancos, New Mexico, underlain by Santa Fe Group beds | |
| Type | Group |
| Sub-units | See text |
| Overlies | Espinaso Formation |
| Thickness | 5,000 m (16,000 ft) |
| Lithology | |
| Primary | Siltstone |
| Other | Sandstone, conglomerate |
| Location | |
| Region | New Mexico Colorado |
| Country |  United States |
| Extent | Rio Grande rift |
| Type section | |
| Named for | Santa Fe, New Mexico |
| Named by | Hayden |
| Year defined | 1869 |
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The Santa Fe Group is a group of geologic formations in New Mexico and Colorado. It contains fossils characteristic of the Oligocene through Pleistocene epochs. The group consists of basin-filling sedimentary and volcanic rocks of the Rio Grande rift, and contains important regional aquifers.