Estudio paleontológico de las facies lacustres-palustres de Peña Adrián, Mioceno Superior (Miranda de Ebro, Cuenca MirandaTrebiño)

  1. Zuriñe Larena 1
  2. Josep Sanjuan 2
  3. Ana Pascual 1
  4. Mariano Larraz 3
  5. Asier Valenzuela 1
  6. Concha Arenas 4
  7. Xabier Murelaga 1
  8. Juan Ignacio Baceta 1
  1. 1 Departamento de Geología, Facultad de Ciencia y Tecnología. Euskal Herriko Unibertsitatea, Bilbao
  2. 2 Departamento de Dinámica de la Tierra y del Océano, Facultad de Ciencias de la Tierra. Barcelona
  3. 3 Departamento de Biología Ambiental (Zoología). Facultad de Ciencias, Universidad de Navarra
  4. 4 Departamento de Ciencias de la Tierra, Universidad de Zaragoza, Zaragoza
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Journal:
Geogaceta

ISSN: 0213-683X

Year of publication: 2023

Issue: 74

Pages: 83-86

Type: Article

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Abstract

This work presents the results of the paleontological study of the Peña Adrián section (Miranda de Ebro, Burgos), formed by alluvial and palustrine-lacustrine facies from the Upper Miocene. Two levels of marls have been sampled, PAF15 and PAF24 (A and B) where different genera and species of gastropods, charophytes and ostracods have been identified. From the stratigraphic and paleontological study, it has been possible to recognize the environmental conditions of the lacustrine system and their variation throughout the succession, showing phases of higher and lower energy until the final retraction of the lake system.

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