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Les foraminifères benthiques ladino-carniens du "Muschelkalk" des Pyrénées françaises à l'est de la Garonne = Ladinian-carnian benthonic foraminifera from the "Muschelkalk" of the french and spanish Pyrenees to the east of the Garonne
Authors
Fréchengues, Michel
Peybernès, Bernard
Martini, Rossana
Zaninetti, Louisette
Published in Revue de micropaleontologie. 1993, vol. 36, no. 2, p. 111-120
Abstract The carbonate Transgressive Systems Tracts included within the two Depositional Sequences from the "Muschelkalk" of Pyrenees (DS2.17, Late Anisian - Early Ladinian and DS2.12, Late Ladinian-Carnian pro parte) contain assemblages of alpine-type benthonic Foraminifera and palynomorphs. The first sequence is pointed by the local presence of Meandrospira gr. pusilla-dinarica which was only recognized in the Spanish Pyrenees, not studied herein. The second one includes a diversified microfauna which is relatively constant along the totality of the range, Spanish Pyrenees included. The corresponding assemblage, illustrated for the first time in this part of Pyrenees to the East of the Garonne, is characterized by numerous lnvolutinacea (Aulotortus praegaschei, Triadodiscus eomesozoicus and Lamelliconus multispirus) and also by Endothyridae (Endothyranella wirzi), Duostominidae and Glomospirillinae. This assemblage is similar to the synchronous one which was recently quoted in the Catalonian Pyrenees, Balearic Islands (Minorca) and Corsica.
Keywords Pyrenees — Triassic — Muschelkalk — Benthonic Foraminifera — Depositional Sequences
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Structures
Faculté des sciences / Section des sciences de la Terre et de l'Environnement / Département des sciences de la Terre
Research group Sedimentology, Biostratigraphy and Micropaleontology
Citation
(ISO format) 		FRÉCHENGUES, Michel et al. Les foraminifères benthiques ladino-carniens du "Muschelkalk" des Pyrénées françaises à l'est de la Garonne = Ladinian-carnian benthonic foraminifera from the "Muschelkalk" of the french and spanish Pyrenees to the east of the Garonne. In: Revue de micropaleontologie, 1993, vol. 36, n° 2, p. 111-120. https://archive-ouverte.unige.ch/unige:5143

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Deposited on : 2010-02-09

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