| Flechado Formation | |
|---|---|
| Stratigraphic range: | |
 Flechado Formation at its type section, Rio Pueblo Valley, New Mexico. | |
| Type | Formation |
| Underlies | Alamitos Formation |
| Overlies | Tererro Formation |
| Thickness | 2,500 ft (760 m) |
| Lithology | |
| Primary | Sandstone, shale |
| Other | Siltstone, limestone, conglomerate |
| Location | |
| Coordinates | 36°09′45″N 105°34′43″W / 36.1623943°N 105.5786314°W |
| Region | New Mexico |
| Country | United States |
| Type section | |
| Named for | Flechado Creek |
| Named by | P.K. Sutherland |
| Year defined | 1963 |
  Flechado Formation (the United States)  Flechado Formation (New Mexico) | |
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The Flechado Formation is a geologic formation in the northern Sangre de Cristo Mountains of New Mexico. It preserves fossils dating back to the early to middle Pennsylvanian.[1]