Rinconada Formation
| Rinconada Formation | |
|---|---|
| Stratigraphic range: | |
| Type | Formation |
| Unit of | Hondo Group |
| Underlies | Pilar Formation |
| Overlies | Ortega Formation |
| Thickness | 600 m (2,000 ft) |
| Lithology | |
| Primary | Schist |
| Other | Quartzite |
| Location | |
| Coordinates | 36°12′52″N 105°48′11″W / 36.2144591°N 105.8030674°W |
| Region | Picuris Mountains, New Mexico |
| Country | United States |
| Type section | |
| Named for | Village of Rinconada (36°25′43″N 106°07′02″W / 36.4287°N 106.1173°W) |
| Named by | Just |
| Year defined | 1937 |
The Rinconada Formation is a geologic formation that crops out in the Picuris Mountains of northern New Mexico. Detrital zircon geochronology establishes a maximum age for the Rinconada Formation of about 1723 Mya, placing it in the Statherian period of the Precambrian.