2009, Spanish, Article edition: Nannofósiles del Serravalliano (Mioceno) en Patagonia, Argentina [Serravallian (Miocene) nannofossils in Patagonia, Argentina]; Nannofossiles du Serravallien (Miocène) de Patagonie, Argentine SIMEONI, Margarita

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Physical Description
  • 689272 bytes, application/​pdf
  • Article
Published
  • Carnets de Géologie /​ Notebooks on Geology
  • 2009-04-07T07:56:10Z
Language
  • Spanish

Edition details

Title
  • Nannofósiles del Serravalliano (Mioceno) en Patagonia, Argentina [Serravallian (Miocene) nannofossils in Patagonia, Argentina]; Nannofossiles du Serravallien (Miocène) de Patagonie, Argentine
Author
  • SIMEONI, Margarita
Published
  • Carnets de Géologie /​ Notebooks on Geology
  • 2009-04-07T07:56:10Z
Physical Description
  • 689272 bytes, application/​pdf
  • Article
Subjects
Notes
  • Nous décrivons pour la première fois la découverte de nannofossiles dans une unité stratigraphique marine appelé le "Patagonien" affleurant au Cerro Chenque et au Cerro Hermitte au SE de Chubut, Argentine. Ils ont été trouvés dans les niveaux pélitiques de la partie inférieure de séquences sédimentaires silicoclastiques granocroissantes. Ces nannofossiles qui appartiennent, pour partie, à la Zone à Discoaster kugleri NN7 (MARTINI, 1971) et CN5b (BUKRY, 1971, 1973) permettent de corréler les niveaux correspondants à l'étage Serravallien (partie supérieure du Miocène moyen).
  • For the first time, nannofossils found in the marine stratigraphic unit named "Patagoniano" which crops out at Cerro Chenque and Cerro Hermitte in southeastern Chubut, Argentina, are documented. They were recovered from pelitic levels in the lower part of coarsening-upward siliciclastic sedimentary sequences. The nannofossils are assigned in part to the Discoaster kugleri Zone NN7 (MARTINI, 1971) and CN5b (BUKRY, 1971, 1973) thus allowing correlation of the productive levels with the Serravallian Stage (upper Middle Miocene).
  • Se documenta el primer hallazgo de nannofósiles en el "Patagoniano", unidad estratigráfica marina aflorante en Cerro Chenque y Cerro Hermitte, al sudeste de Chubut, Argentina. Los nannofósiles fueron recuperados en niveles pelíticos inferiores de diferentes ciclos sedimentarios, grano-crecientes hacia la parte superior, formados por rocas siliciclásticas. Los nannofósiles pertenecen, en parte, a la Zona de Discoaster kugleri NN7 (MARTINI, 1971) and CN5b (BUKRY, 1971, 1973) permitiendo la correlación de los niveles fértiles con el Piso Serravalliano (Mioceno Medio superior).
  • SIMEONI M. (2009).- Nannofósiles del Serravalliano (Mioceno) en Patagonia, Argentina - Serravallian (Miocene) nannofossils in Patagonia, Argentina.- Carnets de Géologie /​ Notebooks on Geology, Brest, Letter 2009/​01 (CG2009_L01)
  • 1634-0744
Language
  • Spanish
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