Xert Formation
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The Calizas y margas de Xert Formation or Xert Formation is an Early Cretaceous (late Barremian) geologic formation of the Maestrazgo and Galve Basins in central-eastern Spain. The formation is described as a coastal claystone, with indications of a transgressive episode, marked by the transition from marsh facies, with little marine influence, to marine platform facies evidenced by abundant marine invertebrates.
Fossil content
Dinosaurs
Invertebrates
Flora
Correlation
| Ma | Age | Paleomap \ Basins | Cantabrian | Olanyà | Cameros | Maestrazgo | Oliete | Galve | Morella | South Iberian | Pre-betic | Lusitanian |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 100 | Cenomanian | La Cabana | Sopeira | Utrillas | Mosquerela | Caranguejeira | ||||||
| Altamira | Utrillas | |||||||||||
| Eguino | ||||||||||||
| 125 | Albian | Ullaga - Balmaseda | Lluçà | Traiguera | ||||||||
| Monte Grande | Escucha | Escucha | Jijona | |||||||||
| Itxina - Miono | ||||||||||||
| Aptian | Valmaseda - Tellamendi | Ol Gp. - Castrillo | Benassal | Benassal | Olhos | |||||||
| Font | En Gp. - Leza | Morella/Oliete | Oliete | Villaroya | Morella | Capas Rojas | Almargem | |||||
| Patrocinio - Ernaga | Senyús | En Gp. - Jubela | Forcall | Villaroya | Upper Bedoulian | Figueira | ||||||
| Barremian | Vega de Pas | Cabó | Abejar | Xert | Alacón | Xert | Huérguina | Assises | ||||
| Prada | Artoles | Collado | Moutonianum | Papo Seco | ||||||||
| Rúbies | Tera Gp. - Golmayo | Alacón/Blesa | Blesa | Camarillas | Mirambel | |||||||
| 150 | Hauterivian | Ur Gp. - Pinilla | Llacova | Castellar | Tera Gp. - Pinilla | Villares | Porto da Calada | |||||
| hiatus | ||||||||||||
| Huerva | Gaita | |||||||||||
| Valanginian | Villaro | Ur Gp. - Larriba | Ped Gp. - Hortigüela | |||||||||
| Ped Gp. - Hortigüela | Ped Gp. - Piedrahita | |||||||||||
| Peñacoba | Galve | Miravetes | ||||||||||
| Berriasian | Cab Gp. - Arcera | Valdeprado | hiatus | Alfambra | ||||||||
| TdL Gp. - Rupelo | Arzobispo | hiatus | Tollo | |||||||||
| On Gp. - Huérteles Sierra Matute | ||||||||||||
| Tithonian | Lastres | Tera Gp. - Magaña | Higuereles | Tera Gp. - Magaña | Lourinhã | |||||||
| Arzobispo | ||||||||||||
| Ágreda | ||||||||||||
| Legend | Major fossiliferous, oofossiliferous, ichnofossiliferous, coproliferous, minor formation | |||||||||||
| Sources |
See also
- Mesozoic Spain
- List of dinosaur-bearing rock formations List of stratigraphic units with few dinosaur genera
Bibliography
- Weishampel, David B.; Dodson, Peter; Osmólska, Halszka (2004), , Berkeley: University of California Press, pp. 1–880, ISBN 0-520-24209-2
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Further reading
- G. Cuenca Bescós, O. Amo, J. L. Barco, J. I. Canudo, R. Royo Torres and J. I. Ruiz Omeñaca. 1999. Dinosaurios de Aragón [Dinosaurs of Aragon]. Zubía 17:235-257