Los Llanos Formation
http://dbpedia.org/resource/Los_Llanos_Formation an entity of type: Thing
Los Llanos Formation is a geological formation in the in La Rioja Province, northwestern Argentina whose strata date back to the Campanian stage of the Late Cretaceous. Los Llanos Formation over the years has been controversially described as ranging from Late Cretaceous to Miocene, but the Miocene succession was assigned to in 2019. The formation rests on top of the Early Permian and and in parts on Ordovician crystalline basement. The maximum thickness is estimated at 150 metres (490 ft).
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Los Llanos Formation
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Los Llanos Formation
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-30.60000038146973
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-66.59999847412109
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64322204
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1086382358
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exposed to surface
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1911
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~
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Argentina
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Campanian
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Up to ~
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-30.6 -66.6
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Los Llanos Formation is a geological formation in the in La Rioja Province, northwestern Argentina whose strata date back to the Campanian stage of the Late Cretaceous. Los Llanos Formation over the years has been controversially described as ranging from Late Cretaceous to Miocene, but the Miocene succession was assigned to in 2019. The formation rests on top of the Early Permian and and in parts on Ordovician crystalline basement. The maximum thickness is estimated at 150 metres (490 ft). The sandstones and conglomerates of the formation were deposited ij a fluvial environment. The formation crops out in the , where more than 90 titanosaurid nesting sites were discovered in Los Llanos Formation. The sites were encountered on top of areas characterized by hydrothermal activity as geysers and other vents, suggesting a preferred location for the incubation of the dinosaur eggs. Apart from fossil eggs, the formation has provided fossil flora and ostracods. The crocodyliform Llanosuchus, described in 2016 from the formation, was named after Los Llanos Formation.
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, Sierra de Los Llanos, Sierra de Chepes, Sierra Ulapes, Sierra de Velasco & Sierra Brava
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Bodenbender
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Paleosols
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Unconformity with Early Permian Los Sauces & Patquía Formations or Ordovician granitic basement
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12006
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POINT(-66.599998474121 -30.60000038147)
