Permian Microcodiaceans (Algae, incertae sedis) Sotres Limestones, Asturias

• Autores: Bernard L. Mamet, Enrique Martínez García
• Localización: Revista española de micropaleontología, ISSN 0556-655X, Vol. 27, Nº. 3 (SEP-DIC), 1995, págs. 107-116
• Idioma: inglés
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• Resumen

  • The Permian (Autunian) Sotres Formation is a sequence of volcanoclastics and coal-bearing shales overlain by thinly-laminated limestone. Microfacies study indicates sponge-bacterial bafflestones with Bevocastria and ostracods. Absence of marine microfauna/microflora suggests a lacustrine environment. Geodes and cavities are criss-crossed by coelobiont veils formed by Palaeomicrocodium and bacterial bands.