| Los Rastros Formation | |
|---|---|
| Stratigraphic range: Carnian | |
| Type | Geological formation |
| Unit of | Agua de la Peña Group |
| Underlies | Ischigualasto Formation |
| Overlies | Chañares Formation |
| Thickness | Up to 1,000 m (3,300 ft) |
| Lithology | |
| Primary | Claystone, sandstone |
| Other | Mudstone |
| Location | |
| Coordinates | 29°06′S 69°06′W / 29.1°S 69.1°W |
| Approximate paleocoordinates | 45°48′S 34°54′W / 45.8°S 34.9°W |
| Region | La Rioja Province San Juan Province |
| Country | Argentina |
| Extent | Ischigualasto-Villa Unión Basin |
  Los Rastros Formation (Argentina) | |
The Los Rastros Formation is a mid-Carnian fossiliferous formation of the Agua de la Peña Group, in the Ischigualasto-Villa Unión Basin of northwestern Argentina. Fossil archosaur tracks,[1] as well as many insects,[2] fish,[3] bivalves, crustaceans and plants have been reported from the formation.[4]
- ^ Leonardi, 1994, p.20
- ^ Mancuso, Adriana C.; Gallego, Oscar F.; Martins-Neto, Rafael G. (2007). "The Triassic insect fauna from the Los Rastros Formation (Bermejo Basin), La Rioja Province (Argentina): its context, taphonomy and paleobiology". Ameghiniana. 44 (2): 337–348.
- ^ Cite error: The named reference
:1was invoked but never defined (see the help page). - ^ Mancuso, A. C.; Marsicano, C. A. (2008-08-01). "Paleoenvironments and taphonomy of a Triassic lacustrine system (Los Rastros Formation, central-western Argentina)". PALAIOS. 23 (8): 535–547. Bibcode:2008Palai..23..535M. doi:10.2110/palo.2007.p07-064r. ISSN 0883-1351. S2CID 131001860.