The Arén Formation or Arén Sandstone (Catalan: Calcàries i gresos d’Areny)Arengol Segú, 2014, p.31 is a geological

formation Formation may refer to: Linguistics * Back-formation, the process of creating a new lexeme by removing or affixes * Word formation, the creation of a new word by adding affixes Mathematics and science * Cave formation or speleothem, a secondary ...

in the Tremp-Graus Basin around

Arén Arén (), in Catalan: Areny de NogueraAs shown in thLegislative Decree 2/2006 of 27 December, of the Government of Aragon, by the revised text of the Law on Comarcal Demarcation of Aragon is approved. (), or in Aragonese: Arén de Noguera, is a ...

Catalonia Catalonia (; ca, Catalunya ; Aranese Occitan: ''Catalonha'' ; es, Cataluña ) is an autonomous community of Spain, designated as a '' nationality'' by its Statute of Autonomy. Most of the territory (except the Val d'Aran) lies on the no ...

, Spain whose strata date back to the

Late Cretaceous The Late Cretaceous (100.5–66 Ma) is the younger of two epochs into which the Cretaceous Period is divided in the geologic time scale. Rock strata from this epoch form the Upper Cretaceous Series. The Cretaceous is named after ''creta'', ...

.Arén Formation
at

Fossilworks Fossilworks is a portal which provides query, download, and analysis tools to facilitate access to the Paleobiology Database, a large relational database assembled by hundreds of paleontologists from around the world. History Fossilworks was cre ...

.org Dinosaur remains are among the fossils that have been recovered from the formation.Weishampel et al., 2004, pp.588-593 The formation dates to the

Campanian The Campanian is the fifth of six ages of the Late Cretaceous Epoch on the geologic timescale of the International Commission on Stratigraphy (ICS). In chronostratigraphy, it is the fifth of six stages in the Upper Cretaceous Series. Campani ...

Maastrichtian The Maastrichtian () is, in the ICS geologic timescale, the latest age (uppermost stage) of the Late Cretaceous Epoch or Upper Cretaceous Series, the Cretaceous Period or System, and of the Mesozoic Era or Erathem. It spanned the interv ...

and underlies the

Tremp Group The Tremp Formation ( es, Formación de Tremp, ca, Formació de Tremp), alternatively described as Tremp Group ( es, Grupo Tremp), is a geological formation in the comarca Pallars Jussà, Lleida, Spain. The formation is restricted to the Tre ...

Fossil content

Dinosaurs

Late Cretaceous paleogeography and distribution of titanosaur nesting sites

Dinosaur eggs ('' Megaloolithus baghensis'',Prieto Márquez et al., 2001 '' Sankofa pyrenaica''),López Martínez & Vicens, 2012 sauropod tracks, unnamed sauropod remains, theropod tracks, euornithopod tracks, and an unnamed iguanodont remains present in Lérida Province.

References

Bibliography

* * * *

* N. López Martínez. 2000. Eggshell sites from the Cretaceous-Tertiary transition in south-central Pyrenees (Spain). In A. M. Bravo & T. Reyes (ed.), First International Symposium on Dinosaur Eggs and Babies, Extended Abstracts 95-115 * P. M. Sander, C. Peitz, J. Gallemi and R. Cousin. 1998. Dinosaurs nesting on a red beach?. Comptes Rendus de l'Académie des Sciences de Paris: Sciences de la Terre et des Planètes 327:67-74 * J. Gallemi, R. Martinez, and J. M. Pons. 1983. Coniacian-Maastrichtian of the Tremp Area (South Central Pyrenees). Newsletters on Stratigraphy 12(1):1-17 * A. Liebau. 1973. El Maastrichtiense lagunar ("Garumniense") de Isona he lagoonal Maastrichtian ("Garumnian") of Isona XIII Coloquio Europeo de Micropaleontología 87-112 * J. Rosell. 1967. Estudio geológico del sector del prepirineo comprendido entre los ríos Segre y Noguera Ribagorzana (Provincia de Lérida) eological study of the pre-Pyrenean sector between the Segre and Noguera Ribagorzana rivers (Lérida province) Pirineos 21(75–78):5-225 * A. F. d. Lapparent and E. Aguirre. 1956. Algunos yacimientos de Dinosaurios en el Cretácico Superior de la Cuenca de Tremp ome dinosaur localities in the Upper Cretaceous of the Termp Basin Estudios Geológicos 12(31/32):377-382 {{DEFAULTSORT:Aren Formation Geologic formations of Spain Upper Cretaceous Series of Europe Cretaceous Spain Campanian Stage Maastrichtian Stage Sandstone formations Limestone formations Deltaic deposits Lacustrine deposits Ichnofossiliferous formations Ooliferous formations Fossiliferous stratigraphic units of Europe Paleontology in Spain

Fossil content

Dinosaurs

See also

References

Bibliography

Further reading