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Tubul Formation (Spanish: Formación Tubul) is an Early Pleistocene (formerly described as Middle Pliocene in 1968 and Late Pliocene in 1976) sedimentary formation located in Arauco Province in south–central Chile. Its sediments were deposited in marine conditions. It overlies unconformably the folded sedimentary formations of Ranquil (Miocene–Pliocene), Quiriquina (Late Cretaceous) and the Lebu Group (Paleocene-Eocene). The formation was first defined by Egidio Feruglio in 1949.

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dbo:abstract
  • La formación Tubul es una formación sedimentaria del Pleistoceno inferior (encasillada dentro del Plioceno medio en 1968 y del Plioceno tardío en 1976) localizada en la provincia de Arauco en el centro-sur de Chile.​ Sus sedimentos fueron depositados en condiciones marinas. Se superpone de manera discordante a las formaciones sedimentarias plegadas de Ránquil (Mioceno–Plioceno), Quiriquina (Cretácico superior) y al Grupo Lebu (Paleoceno-Eoceno),​ y se extiende aproximadamente entre el golfo de Arauco y la cordillera de Nahuelbuta.​ Fósiles de moluscos encontrados en la formación derivan de entornos de lecho blando (contrariamente a costas pedregosas) y aguas poco profundas. Evidencia de la fauna de moluscos fósiles de la formación Tubul parece indicar que las temperaturas locales del agua eran más bajas en el Plioceno que hoy. Se estima que las aguas y faunas de moluscos de la Región de Magallanes, en el extremo austral de Chile, son equivalentes actuales de la formación Tubul.​ La formación fue definida por primera vez por Egidio Feruglio en 1949,​ y recibe su nombre de la localidad costera de Tubul. (es)
  • Tubul Formation (Spanish: Formación Tubul) is an Early Pleistocene (formerly described as Middle Pliocene in 1968 and Late Pliocene in 1976) sedimentary formation located in Arauco Province in south–central Chile. Its sediments were deposited in marine conditions. It overlies unconformably the folded sedimentary formations of Ranquil (Miocene–Pliocene), Quiriquina (Late Cretaceous) and the Lebu Group (Paleocene-Eocene). Mollusc fossils found in the formation derives from soft-bed environments (contrary to rocky coasts). Evidence from the fossil mollusc fauna of the Tubul Formation seem to indicate that local water temperatures were lower in the Pliocene than today. Waters and mollusc faunas of Magallanes Region are modern-day equivalents of Tubul Formation. The formation was first defined by Egidio Feruglio in 1949. (en)
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  • Tubul Formation (en)
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  • Caleta Tubul (en)
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  • Pleistocene (en)
dbp:prilithology
  • Clay-rich sandstone and silt (en)
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  • > (en)
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  • Quaternary sediments (en)
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  • 1949 (xsd:integer)
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  • La formación Tubul es una formación sedimentaria del Pleistoceno inferior (encasillada dentro del Plioceno medio en 1968 y del Plioceno tardío en 1976) localizada en la provincia de Arauco en el centro-sur de Chile.​ Sus sedimentos fueron depositados en condiciones marinas. Se superpone de manera discordante a las formaciones sedimentarias plegadas de Ránquil (Mioceno–Plioceno), Quiriquina (Cretácico superior) y al Grupo Lebu (Paleoceno-Eoceno),​ y se extiende aproximadamente entre el golfo de Arauco y la cordillera de Nahuelbuta.​ (es)
  • Tubul Formation (Spanish: Formación Tubul) is an Early Pleistocene (formerly described as Middle Pliocene in 1968 and Late Pliocene in 1976) sedimentary formation located in Arauco Province in south–central Chile. Its sediments were deposited in marine conditions. It overlies unconformably the folded sedimentary formations of Ranquil (Miocene–Pliocene), Quiriquina (Late Cretaceous) and the Lebu Group (Paleocene-Eocene). The formation was first defined by Egidio Feruglio in 1949. (en)
rdfs:label
  • Formación Tubul (es)
  • Tubul Formation (en)
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