Xert Formation
Stratigraphic range: Late Barremian
~
TypeGeological formation
UnderliesForcall Formation
OverliesArtoles Formation, Arcillas de Morella Formation
Lithology
PrimaryLimestone, marl
OtherClaystone, chert
Location
Coordinates40°42′N 0°06′E / 40.7°N 0.1°E / 40.7; 0.1
Approximate paleocoordinates30°06′N 10°12′E / 30.1°N 10.2°E / 30.1; 10.2
RegionAragón
Country Spain
ExtentMaestrazgo Basin
 Galve Basin
Type section
Named forChert
Xert Formation is located in Spain
Xert Formation
Xert Formation (Spain)
Xert Formation is located in Aragon
Xert Formation
Xert Formation (Aragon)

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.[1]

Fossil content

Dinosaurs
Invertebrates
Flora

Correlation

Early Cretaceous stratigraphy of Iberia
MaAgePaleomap \ BasinsCantabrianOlanyàCamerosMaestrazgoOlieteGalveMorellaSouth IberianPre-beticLusitanian
100Cenomanian
La CabanaSopeiraUtrillasMosquerelaCaranguejeira
AltamiraUtrillas
Eguino
125AlbianUllaga - BalmasedaLluçàTraiguera
Monte GrandeEscuchaEscuchaJijona
Itxina - Miono
AptianValmaseda - TellamendiOl Gp. - CastrilloBenassalBenassalOlhos
FontEn Gp. - LezaMorella/OlieteOlieteVillaroyaMorellaCapas
Rojas
Almargem
Patrocinio - ErnagaSenyúsEn Gp. - JubelaForcallVillaroyaUpper
Bedoulian
Figueira
BarremianVega de PasCabóAbejarXertAlacónXertHuérguinaAssises
PradaArtolesColladoMoutonianum Papo Seco
RúbiesTera Gp. - GolmayoAlacón/BlesaBlesaCamarillasMirambel
150HauterivianUr Gp. - PinillaLlacovaCastellarTera Gp. - PinillaVillaresPorto da
Calada
hiatus
HuervaGaita
ValanginianVillaroUr Gp. - LarribaPed Gp. - Hortigüela
Ped Gp. - HortigüelaPed Gp. - Piedrahita
PeñacobaGalveMiravetes
BerriasianCab Gp. - ArceraValdepradohiatusAlfambra
TdL Gp. - RupeloArzobispohiatusTollo
On Gp. - Huérteles
Sierra Matute
TithonianLastresTera Gp. - MagañaHiguerelesTera Gp. - MagañaLourinhã
Arzobispo
Ágreda
Legend Major fossiliferous, oofossiliferous, ichnofossiliferous, coproliferous, minor formation
Sources

See also

References

  1. 1 2 3 4 Xert Formation at Fossilworks.org
  2. Weishampel et al., 2004, pp. 517-607

Bibliography

  • 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

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
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