Recent advances in the stratigraphy of the Upper Pleistocene of Westernmost Europe: La Haute Ville and Brehat Cliffs (Northern Brittany, France)
International audience A description of the different layers deposited in La Haute Ville and Brehat sites is given. Methodological considerations and comparisons with Russian, French and Netherlands stratigraphic scales are summarized. Malacological study shows the existence of shells deposited duri...
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Online Access: | https://hal-univ-rennes1.archives-ouvertes.fr/hal-01147547 https://doi.org/10.1016/j.quaint.2011.10.027 |
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ftccsdartic:oai:HAL:hal-01147547v1 2023-05-15T18:32:58+02:00 Recent advances in the stratigraphy of the Upper Pleistocene of Westernmost Europe: La Haute Ville and Brehat Cliffs (Northern Brittany, France) Danukalova, Guzel Lefort, Jean-Pierre Osipova, Eugenia Monnier, Jean-Laurent Institute of Geology of the Ufimian Scientific Centre, Russian Academy of Sciences Centre de Recherche en Archéologie, Archéosciences, Histoire (CReAAH) Le Mans Université (UM)-Université de Nantes - UFR Histoire, Histoire de l'Art et Archéologie (UFR HHAA) Université de Nantes (UN)-Université de Nantes (UN)-Université de Rennes 2 (UR2) Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Université de Rennes 1 (UR1) Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Ministère de la Culture (MC) 2013 https://hal-univ-rennes1.archives-ouvertes.fr/hal-01147547 https://doi.org/10.1016/j.quaint.2011.10.027 en eng HAL CCSD Elsevier info:eu-repo/semantics/altIdentifier/doi/10.1016/j.quaint.2011.10.027 hal-01147547 https://hal-univ-rennes1.archives-ouvertes.fr/hal-01147547 doi:10.1016/j.quaint.2011.10.027 ISSN: 1040-6182 Quaternary International https://hal-univ-rennes1.archives-ouvertes.fr/hal-01147547 Quaternary International, Elsevier, 2013, 284, pp.30-44. ⟨10.1016/j.quaint.2011.10.027⟩ [SHS.ARCHEO]Humanities and Social Sciences/Archaeology and Prehistory info:eu-repo/semantics/article Journal articles 2013 ftccsdartic https://doi.org/10.1016/j.quaint.2011.10.027 2021-12-19T02:55:47Z International audience A description of the different layers deposited in La Haute Ville and Brehat sites is given. Methodological considerations and comparisons with Russian, French and Netherlands stratigraphic scales are summarized. Malacological study shows the existence of shells deposited during the Early, Middle and Late Weichselian. In La Haute Ville, the upper part of the Lower and Middle Weichselian contains four soils which developed above an aeolian dune. Four malacozones have been separated. The groups of molluscs were classified according to their modern ecological preferences. The upper part of La Haute Ville Formation is observed in the lower part of the La Haute Ville cliff. This aeolian accumulation is completely decalcified. There is no fauna. The presence of colored quartz implies the existence of a warm climate. By comparison with other dunes of Brittany, it could be dated to the Early Weichselian. Comparison between the onshore and offshore data shows that the dune has never been as rich in carbonates as the loess or loess-like deposits. The Port Morvan Formation consists of four different soils interlayered with loams. All the soils are located at the level of the dome-like top of the dune. The disappearance of the soils towards the west and the east is associated with an undulation of the dune. The existence of four soils and the presence of molluscs living under broad leaved forests suggest a moderate climate. The cooling of the climate started at the end of the Port Morvan formation. These data allow correlation of this formation with the Middle-Lower Weichselian. The formation of Sables d'Or les Pins corresponds with true loess. It was deposited above the Port-Morvan formation which displays a clear erosion of its top. The top of this formation was affected by the development of a Holocene soil. A light grey layer represents a podzolic horizon. The lower boundary of these layers is affected by thermokarst Because of their location, their aeolian origin, the existence of thermokarst, ... Article in Journal/Newspaper Thermokarst Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Quaternary International 284 30 44 |
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Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
[SHS.ARCHEO]Humanities and Social Sciences/Archaeology and Prehistory |
spellingShingle |
[SHS.ARCHEO]Humanities and Social Sciences/Archaeology and Prehistory Danukalova, Guzel Lefort, Jean-Pierre Osipova, Eugenia Monnier, Jean-Laurent Recent advances in the stratigraphy of the Upper Pleistocene of Westernmost Europe: La Haute Ville and Brehat Cliffs (Northern Brittany, France) |
topic_facet |
[SHS.ARCHEO]Humanities and Social Sciences/Archaeology and Prehistory |
description |
International audience A description of the different layers deposited in La Haute Ville and Brehat sites is given. Methodological considerations and comparisons with Russian, French and Netherlands stratigraphic scales are summarized. Malacological study shows the existence of shells deposited during the Early, Middle and Late Weichselian. In La Haute Ville, the upper part of the Lower and Middle Weichselian contains four soils which developed above an aeolian dune. Four malacozones have been separated. The groups of molluscs were classified according to their modern ecological preferences. The upper part of La Haute Ville Formation is observed in the lower part of the La Haute Ville cliff. This aeolian accumulation is completely decalcified. There is no fauna. The presence of colored quartz implies the existence of a warm climate. By comparison with other dunes of Brittany, it could be dated to the Early Weichselian. Comparison between the onshore and offshore data shows that the dune has never been as rich in carbonates as the loess or loess-like deposits. The Port Morvan Formation consists of four different soils interlayered with loams. All the soils are located at the level of the dome-like top of the dune. The disappearance of the soils towards the west and the east is associated with an undulation of the dune. The existence of four soils and the presence of molluscs living under broad leaved forests suggest a moderate climate. The cooling of the climate started at the end of the Port Morvan formation. These data allow correlation of this formation with the Middle-Lower Weichselian. The formation of Sables d'Or les Pins corresponds with true loess. It was deposited above the Port-Morvan formation which displays a clear erosion of its top. The top of this formation was affected by the development of a Holocene soil. A light grey layer represents a podzolic horizon. The lower boundary of these layers is affected by thermokarst Because of their location, their aeolian origin, the existence of thermokarst, ... |
author2 |
Institute of Geology of the Ufimian Scientific Centre, Russian Academy of Sciences Centre de Recherche en Archéologie, Archéosciences, Histoire (CReAAH) Le Mans Université (UM)-Université de Nantes - UFR Histoire, Histoire de l'Art et Archéologie (UFR HHAA) Université de Nantes (UN)-Université de Nantes (UN)-Université de Rennes 2 (UR2) Université de Rennes (UNIV-RENNES)-Université de Rennes (UNIV-RENNES)-Université de Rennes 1 (UR1) Université de Rennes (UNIV-RENNES)-Centre National de la Recherche Scientifique (CNRS)-Ministère de la Culture (MC) |
format |
Article in Journal/Newspaper |
author |
Danukalova, Guzel Lefort, Jean-Pierre Osipova, Eugenia Monnier, Jean-Laurent |
author_facet |
Danukalova, Guzel Lefort, Jean-Pierre Osipova, Eugenia Monnier, Jean-Laurent |
author_sort |
Danukalova, Guzel |
title |
Recent advances in the stratigraphy of the Upper Pleistocene of Westernmost Europe: La Haute Ville and Brehat Cliffs (Northern Brittany, France) |
title_short |
Recent advances in the stratigraphy of the Upper Pleistocene of Westernmost Europe: La Haute Ville and Brehat Cliffs (Northern Brittany, France) |
title_full |
Recent advances in the stratigraphy of the Upper Pleistocene of Westernmost Europe: La Haute Ville and Brehat Cliffs (Northern Brittany, France) |
title_fullStr |
Recent advances in the stratigraphy of the Upper Pleistocene of Westernmost Europe: La Haute Ville and Brehat Cliffs (Northern Brittany, France) |
title_full_unstemmed |
Recent advances in the stratigraphy of the Upper Pleistocene of Westernmost Europe: La Haute Ville and Brehat Cliffs (Northern Brittany, France) |
title_sort |
recent advances in the stratigraphy of the upper pleistocene of westernmost europe: la haute ville and brehat cliffs (northern brittany, france) |
publisher |
HAL CCSD |
publishDate |
2013 |
url |
https://hal-univ-rennes1.archives-ouvertes.fr/hal-01147547 https://doi.org/10.1016/j.quaint.2011.10.027 |
genre |
Thermokarst |
genre_facet |
Thermokarst |
op_source |
ISSN: 1040-6182 Quaternary International https://hal-univ-rennes1.archives-ouvertes.fr/hal-01147547 Quaternary International, Elsevier, 2013, 284, pp.30-44. ⟨10.1016/j.quaint.2011.10.027⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.quaint.2011.10.027 hal-01147547 https://hal-univ-rennes1.archives-ouvertes.fr/hal-01147547 doi:10.1016/j.quaint.2011.10.027 |
op_doi |
https://doi.org/10.1016/j.quaint.2011.10.027 |
container_title |
Quaternary International |
container_volume |
284 |
container_start_page |
30 |
op_container_end_page |
44 |
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1766217181869113344 |