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La Pedrera de Rúbies Formation

La Pedrera de Rúbies Formation
Stratigraphic range: Late Berriasian-early Barremian
~140–125 Ma
Exposure of the La Pedrera de Rúbies Formation at La Pedrera de Meià
TypeGeological formation
Unit ofMontsec Group
UnderliesPrada Formation
AreaMontsec
Lithology
PrimaryLimestone
Location
Coordinates42°00′N 0°54′E / 42.0°N 0.9°E / 42.0; 0.9
Approximate paleocoordinates31°18′N 11°18′E / 31.3°N 11.3°E / 31.3; 11.3
RegionLérida Province, Catalonia
CountrySpain
ExtentPre-Pyrenees
La Pedrera de Rúbies Formation is located in Spain
La Pedrera de Rúbies Formation
La Pedrera de Rúbies Formation (Spain)
La Pedrera de Rúbies Formation is located in Province of Lleida
La Pedrera de Rúbies Formation
La Pedrera de Rúbies Formation (Province of Lleida)

The La Pedrera de Rúbies Formation, also called as La Pedrera de Meià[1][2] is an Early Cretaceous (late Berriasian to early Barremian geologic formation in Catalonia, Spain. The formation crops out in the area of the Montsec in the Organyà Basin. At the La Pedrera de Meià locality, the formation consists of rhythmically laminated, lithographic limestones that formed in the distal areas of a large, shallow coastal lake.[3] It is noted for the exceptional preservation of articulated small vertebrates and insects, similar to that of the Solnhofen Limestone.

Fossil content

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The La Pedrera de Rúbies Formation has yielded the enantiornithine bird Noguerornis and the scincogekkomorph lizard Pedrerasaurus,[4][5][6][7] and two species of Teiid lizard Meyasaurus, M. fauri and M. crusafonti, the indeterminate avialan Ilerdopteryx,[8] frogs Neusibatrachus wilferti,[9] Eodiscoglossus santonjae[10] and Montsechobatrachus. A crocodyliform Montsecosuchus and many insects and other arthropods, as:[11]

Correlation

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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

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References

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  1. Gil-Delgado, Alejandro; Delclòs, Xavier; Sellés, Albert; Galobart, Àngel; Oms, Oriol (2023-04-17). "The Early Cretaceous coastal lake Konservat-Lagerstätte of La Pedrera de Meià (Southern Pyrenees)". Geologica Acta. 21: 1–XIII. doi:10.1344/GeologicaActa2023.21.3. hdl:2445/201820. ISSN 1696-5728.
  2. Galobart, Àngel; Párraga, Javier; Gil-Delgado, Alejandro (2022-02-25). "The Spread of Fossil heritage: How to Valorise the Lithographic Limestones of the La Pedrera de Meià and La Cabroa Quarries in the Orígens Unesco Global Geopark (Southern Pyrenees, Catalonia)". Geoheritage. 14 (1). doi:10.1007/s12371-022-00669-w. ISSN 1867-2477.
  3. "La Pedrera de Meià". Paleobiology Database.
  4. Weishampel et al., 2004, pp. 517-607
  5. Lacasa Ruiz, 1989
  6. Chiappé & Lacasa Ruiz, 2002
  7. Bolet & Evans, 2010
  8. Kellner, 2002
  9. Báez & Sanchiz, 2007, p.477
  10. Báez, Ana Maria; Gómez, Raúl O. (2016). "Revision of the skeletal morphology of Eodiscoglossus santonjae, an Early Cretaceous frog from northeastern Spain, with comments on its phylogenetic placement". Fossil Imprint. 72 (1–2): 67–77. doi:10.14446/fi.2016.67. hdl:11336/60180. ISSN 2533-4069.
  11. La Pedrera de Rúbies Formation at Fossilworks.org

Bibliography

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Further reading

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  • A. P. Rasnitsyn and J. Ansorge. 2000. Two new Lower Cretaceous hymenopterous insects (Insecta: Hymenoptera) from Sierra del Montsec, Spain. Acta Geológica Hispánica 35:59-64
  • X. Martínez-Delclòs. 1993. Blátidos (Insecta, Blattodea) del Cretácico Inferior de España. Familias Mesoblattinidae, Blattulidae y Poliphagidae. Boletín Geológico y Minero 104:516-538
  • X. Martínez-Delclòs. 1990. Insectos del Cretácico inferior de Santa Maria de Meià (Lleida): colleción Lluís Marià Vidal i Carreras. Treballs del Museu de Geologia de Barcelona 1:91-116
  • P. E. S. Whalley and E. A. Jarzembowski. 1985. Fossil insects from the Lithographic Limestone Montsech (Late Jurassic-early Cretaceous), Lérida Province, Spain. Bulletin of the British Museum of Natural History (Geology) 38(5):381-412
  • J. E. Gomez Pallerola. 1979. Un ave y otras especies fósiles nuevas de la biofacies de Santa María de Meyá (Lérida). Boletín Geológico y Minero 90:333-346