La Cantera Formation
Stratigraphic range: Late Aptian
~
TypeGeological formation
Unit ofGigante Group
Lithology
PrimarySiltstone
OtherSandstone, conglomerate
Location
Coordinates33°00′S 66°30′W / 33.0°S 66.5°W / -33.0; -66.5
Approximate paleocoordinates33°06′S 32°42′W / 33.1°S 32.7°W / -33.1; -32.7
RegionSan Luis Province, San Juan Province
CountryArgentina
ExtentSan Luis Basin
Type section
Named forCantera de Picca
La Cantera Formation is located in Argentina
La Cantera Formation
La Cantera Formation (Argentina)

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]

Fossil content

Among the following fossils are reported from the formation:[2]

Insects

Hemiptera

Flora

  • 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

References

  1. ↑ Castillo Elías et al., 2016
  2. 1 2 La Cantera Formation at Fossilworks.org
  3. ↑ Weishampel et al., 2004, pp.517-607
  4. ↑ La Cantera at Fossilworks.org
  5. ↑ Castillo Elías, 2014
  6. ↑ Mazzoni, 1985
  7. ↑ Petrulevicius et al., 2010

Bibliography

  • 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. .
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