The La Cantera Formation is a Late Aptian,[1] geologic formation in Argentina.[2] Fossil theropod tracks have been reported from the formation.[3] The formation, deposited under lacustrine conditions, also has provided fossil plants, insects, fish and gastropods.[4][5]
| La Cantera Formation | |
|---|---|
| Stratigraphic range: Late Aptian ~ | |
| Type | Geological formation |
| Unit of | Gigante Group |
| Lithology | |
| Primary | Siltstone |
| Other | Sandstone, conglomerate |
| Location | |
| Coordinates | 33°00′S 66°30′W / 33.0°S 66.5°W |
| Approximate paleocoordinates | 33°06′S 32°42′W / 33.1°S 32.7°W |
| Region | San Luis Province, San Juan Province |
| Country | Argentina |
| Extent | San Luis Basin |
| Type section | |
| Named for | Cantera de Picca |
  La Cantera Formation (Argentina) | |
Fossil content edit
Among the following fossils are reported from the formation:[2]
Insects edit
- Hemiptera
Flora edit
- Alisporites similis
- Rugubivesiculites sp.
- Trisaccites microsaccatus
- Podosporites sp.
- Classopollis simplex
- Callialasporites trilobatus
- Cycadopites follicularis
- Crybelosporites sp.
- Appendicisporites sp.
- Cicatricosisporites australiensis
- Deltoidospora sp.
- Leptolepidites major
- Taurocusporites segmentatus
- Staplinisporites caminus
- Triporoletes reticulatus
- Coptospora sp.
- Couperisporites sp.
- Stephanocolpites mastandreai
- Clavatipollenites hughesii
- Leiosphaeridia hyalina
- L. menendezii
- Balmeiopsis limbatus
- Huitrinipollenites transitorius
See also edit
References edit
- ^ Castillo Elías et al., 2016
- ^ a b La Cantera Formation at Fossilworks.org
- ^ Weishampel et al., 2004, pp.517-607
- ^ La Cantera at Fossilworks.org
- ^ Castillo Elías, 2014
- ^ Mazzoni, 1985
- ^ Petrulevicius et al., 2010
Bibliography edit
- Castillo, Elías; María Lidia Sánchez, and Mercedes B. Prámparo. 2016. La Formación La Cantera: un ejemplo de relleno lacustre durante el pico de subsidencia del sistema de rift de Sierras Pampeanas Occidentales, San Luis (Cretácico Inferior). VII Congreso Latinoamericano de Sedimentología. Accessed 2019-02-16.
- Castillo Elías, Gabriela. 2014. Depósitos lacustres de la Formación La Cantera (Aptiano Tardío), Sierras de El Gigante, cuenca de San Luis: nuevos aportes sedimentológicos. XIV Reunión Argentina de Sedimentología. Accessed 2019-02-16.
- Petrulevicius, J. F.; A. Nel, and A. S. Sallenave. 2010. Recent genus Notonecta (Insecta: Heteroptera: Notonectidae) in the Lower Cretaceous of San Luis, Argentina: Palaeoecological implications. Annales de la Société Entomologique de France 46. 247–253. .
- Weishampel, David B.; Peter Dodson, and Halszka Osmólska (eds.). 2004. The Dinosauria, 2nd edition, 1–880. Berkeley: University of California Press. Accessed 2019-02-21. ISBN 0-520-24209-2
- Prámparo, M. B. 1994. Lower Cretaceous palynoflora of the La Cantera Formation, San Luis Basin: correlation with other Cretaceous palynofloras of Argentina. Cretaceous Research 15. 193–203. .
- Mazzoni, A. F. 1985. Notonectidae (Hemiptera, Heteroptera) de la formación La Cantera (Cretácico Inferior), Provincia de San Luis, Argentina. Boletin de la Academia Nacional de Ciencias 56. 259–273. .