Estratigrafía y sedimentología del Muschelkalk inferior del dominio <i>Monrserrat-Llobregat</i> (Catalanides)

X. Ramon; F. Calvet

doi:10.3989/egeol.87435-6616

Estratigrafía y sedimentología del Muschelkalk inferior del dominio Monrserrat-Llobregat (Catalanides)

Authors

X. Ramon Instituto Geológico y Minero de España.
F. Calvet Dpto. de Petrología y Geoquímica, Universidad de Barcelona

DOI:

https://doi.org/10.3989/egeol.87435-6616

Keywords:

Triassic, Muschelkalk, Karst, Dolomitization, Sedimenlology, Catalánides

Abstract

The sedimentary evolution of the lower Muschelkalk (facies) in the Catalan Coastal range is characterized by the existence of two cycles: deepening and shallowing upwards. A regional discontinuity exists between these two main cycles. However shallowing upwards sequences occur throughout all the carbonate section studied. Secondary dolomitization took place in the upper part of the lower (deepening) sequence enhanced by the existing regional discontinuity. Primary dolomite occurs in the shallowing upward sequence and it has a great lateral extension. Four karstified surfaces have been found within the deepening sequence in the Montseny-Llobregat arca. Tidal depositional environment is recognized in all the lower Musehelkalk, and it ranges from subtidal to supratidal. These deposits have been interpreted as generated in an homoclinal ramp, and data provided by palinological analysis yield and age of middle to upper Anisian.

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Published

1987-12-30

How to Cite

Ramon, X., & Calvet, F. (1987). Estratigrafía y sedimentología del Muschelkalk inferior del dominio Monrserrat-Llobregat (Catalanides). Estudios Geológicos, 43(5-6), 471–487. https://doi.org/10.3989/egeol.87435-6616

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Issue

Vol. 43 No. 5-6 (1987)

Section

Articles

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