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La Pedrera de Rúbies Formation

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Coordinates: 42°00′N 0°54′E / 42.0°N 0.9°E / 42.0; 0.9
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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
Country Spain
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 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.[1] It is noted for the exceptional preservation of articulated small vertebrates and insects, similar to that of the Solnhofen Limestone.

Fossil content

The La Pedrera de Rúbies Formation has yielded the enantiornithine bird Noguerornis and the scincogekkomorph lizard Pedrerasaurus,[2][3][4][5] and two species of Teiid lizard Meyasaurus, M. fauri and M. crusafonti, the indeterminate avialan Ilerdopteryx,[6] frogs Neusibatrachus wilferti,[7] and Montsechobatrachus. A crocodyliform Montsecosuchus and many insects and other arthropods, as:[8]

Correlation

Early Cretaceous stratigraphy of Iberia
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

References

  1. ^ "La Pedrera de Meià". Paleobiology Database.
  2. ^ Weishampel et al., 2004, pp. 517-607
  3. ^ Lacasa Ruiz, 1989
  4. ^ Chiappé & Lacasa Ruiz, 2002
  5. ^ Bolet & Evans, 2010
  6. ^ Kellner, 2002
  7. ^ Báez & Sanchiz, 2007, p.477
  8. ^ La Pedrera de Rúbies Formation at Fossilworks.org

Bibliography

Further reading

  • 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
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