La Huérguina Formation
Geological formation in Spain / From Wikipedia, the free encyclopedia
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The La Huérguina Formation (also known as the Calizas de La Huérguina Formation, La Huérguina Limestone Formation or as the Una Formation) is a geological formation in Spain whose strata date back to the Barremian stage of the Early Cretaceous.[1] Las Hoyas is a Konservat-Lagerstätte within the formation, located near the city of Cuenca, Spain. The site is mostly known for its exquisitely preserved dinosaurs, especially enantiornithines.[2] The lithology of the formation mostly consists of lacustrine limestone deposited in a freshwater wetland environment.
Quick Facts Type, Underlies ...
La Huérguina Formation | |
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Stratigraphic range: Barremian ~125 Ma | |
Type | Geological formation |
Underlies | Contreras Formation or Unconformity with the Utrillas Group |
Overlies | Tragacete Formation |
Thickness | 60–100 m (200–330 ft) |
Lithology | |
Primary | Limestone, marl |
Other | Conglomerate |
Location | |
Coordinates | 40.0897°N 1.8978°W / 40.0897; -1.8978 |
Region | Cuenca, Castile-La Mancha |
Country | Spain |
Extent | South Iberian Basin |
Type section | |
Named for | Huérguina |
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