Mécanisme de la sédimentation de l'assise de Montfort entre Esneux et Tavier ; Sedimentation Mechanism of Montfort formation between Esneux and Tavier
peer reviewed ; The so-called Montfort formation (Upper Famennian, Devonian) consists of fine arkosic sandstones and carbonate precipitates, mostly ferrodolomite. Siliceous beds are much more abundant than carbonate beds. The alternance of the two types of sediments corresponds to the frequent passage from open sea to marginal lagoons and vice versa.The swinging of the sedimentary conditions took place in an epicontinental subsident shallow sea. This explanation dispenses from resorting to outer, non-sedimentary causes, like subsidence jolts. The alternance of sand and carbonate, in the consid... Mehr ...
Verfasser: | |
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Dokumenttyp: | journal article |
Erscheinungsdatum: | 1963 |
Verlag/Hrsg.: |
Société Géologique de Belgique
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Schlagwörter: | Sedimentology / Sandstone / Belgium / Sédimentologie / Grès / Belgique / Devonian / Dévonien / Physical / chemical / mathematical & earth Sciences / Earth sciences & physical geography / Physique / chimie / mathématiques & sciences de la terre / Sciences de la terre & géographie physique |
Sprache: | Französisch |
Permalink: | https://search.fid-benelux.de/Record/base-27329098 |
Datenquelle: | BASE; Originalkatalog |
Powered By: | BASE |
Link(s) : | https://orbi.uliege.be/handle/2268/115506 |
peer reviewed ; The so-called Montfort formation (Upper Famennian, Devonian) consists of fine arkosic sandstones and carbonate precipitates, mostly ferrodolomite. Siliceous beds are much more abundant than carbonate beds. The alternance of the two types of sediments corresponds to the frequent passage from open sea to marginal lagoons and vice versa.The swinging of the sedimentary conditions took place in an epicontinental subsident shallow sea. This explanation dispenses from resorting to outer, non-sedimentary causes, like subsidence jolts. The alternance of sand and carbonate, in the considered region, is due to morphological changes in the sea bottom. ; L'assise de Montfort (Famennien supérieur) consiste en une alternance de grès fins arkosiques et de carbonates, surtout de la ferrodolomite. Les grès dominent. L'alternance des deux sédiments est due au fréquent passage des conditions de mer ouverte à des conditions lagunaires et vice-versa. Cette alternance eut lieu dans une mer épicontinentale subsidente et peu profonde. Cette explication dispense de recourir à des causes non sédimentaires, comme des à-coups de la subsidence. L'alternance est due à des modifications périodiques de la morphologie des fonds marins littoraux.