New insights on the Early Cretaceous (Hauterivian–Barremian) Urgonian lithostratigraphic units in the Jura Mountains (France and Switzerland): the Gorges de l'Orbe and the Rocher des Hirondelles formations.
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| Title: | New insights on the Early Cretaceous (Hauterivian–Barremian) Urgonian lithostratigraphic units in the Jura Mountains (France and Switzerland): the Gorges de l'Orbe and the Rocher des Hirondelles formations. |
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| Authors: | Pictet, Antoine1 (AUTHOR) antoine.pictet@unil.ch |
| Source: | Swiss Journal of Geosciences. Dec2021, Vol. 114 Issue 1, p1-47. 47p. |
| Subjects: | Gorges, Molasse, Facies, Carbonates, Age |
| Geographic Terms: | Jura Mountains (France & Switzerland) |
| Abstract: | The Hauterivian–Barremian series of the Jura Mountains were measured over more than 60 sections along a 200 km long transect between Aix-les-Bains (Savoie Department, France) and Bienne (Bern Canton, Switzerland), which prompted the need for a revision and improvement of the current lithostratigraphic scheme for this stratigraphic interval. A new formation, the Rocher des Hirondelles Formation, is proposed in replacement of the unsuitable Vallorbe Formation, while the Gorges de l'Orbe Formation is formally described. The Gorges de l'Orbe Formation, equivalent to the well-known "Urgonien jaune" facies, consists of two members, namely Montcherand Member and Bôle Member. The Rocher des Hirondelles Formation, equivalent to the "Urgonien blanc" facies, consists of three members, i.e. Fort de l'Écluse Member, Rivière Member and Vallorbe Member. The marly Rivière and Bôle members appear to present time-equivalent lithostratigraphic units, recording a major sedimentological event affecting contemporarily both formations. This study proposes a new sedimentary model opening a new point of view on the long-living controversies about the age of the Urgonian series from the Jura Mountains. The data point to strong diachronic ages of lithostratigraphic units with a late Hauterivian to early Barremian occurrence of the "Urgonian blanc" facies in the Meridional Jura area versus a latest Barremian age in the Central Jura area, reflecting a general progradation of the Urgonian shallow-water carbonate platform from the present-day Meridional Jura area toward external deeper-water shelf environments of the present-day Central Jura area and Molasse basin. [ABSTRACT FROM AUTHOR] |
| Copyright of Swiss Journal of Geosciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
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| Items | – Name: Title Label: Title Group: Ti Data: New insights on the Early Cretaceous (Hauterivian–Barremian) Urgonian lithostratigraphic units in the Jura Mountains (France and Switzerland): the Gorges de l'Orbe and the Rocher des Hirondelles formations. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Pictet%2C+Antoine%22">Pictet, Antoine</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> antoine.pictet@unil.ch</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Swiss+Journal+of+Geosciences%22">Swiss Journal of Geosciences</searchLink>. Dec2021, Vol. 114 Issue 1, p1-47. 47p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Gorges%22">Gorges</searchLink><br /><searchLink fieldCode="DE" term="%22Molasse%22">Molasse</searchLink><br /><searchLink fieldCode="DE" term="%22Facies%22">Facies</searchLink><br /><searchLink fieldCode="DE" term="%22Carbonates%22">Carbonates</searchLink><br /><searchLink fieldCode="DE" term="%22Age%22">Age</searchLink> – Name: SubjectGeographic Label: Geographic Terms Group: Su Data: <searchLink fieldCode="DE" term="%22Jura+Mountains+%28France+%26+Switzerland%29%22">Jura Mountains (France & Switzerland)</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The Hauterivian–Barremian series of the Jura Mountains were measured over more than 60 sections along a 200 km long transect between Aix-les-Bains (Savoie Department, France) and Bienne (Bern Canton, Switzerland), which prompted the need for a revision and improvement of the current lithostratigraphic scheme for this stratigraphic interval. A new formation, the Rocher des Hirondelles Formation, is proposed in replacement of the unsuitable Vallorbe Formation, while the Gorges de l'Orbe Formation is formally described. The Gorges de l'Orbe Formation, equivalent to the well-known "Urgonien jaune" facies, consists of two members, namely Montcherand Member and Bôle Member. The Rocher des Hirondelles Formation, equivalent to the "Urgonien blanc" facies, consists of three members, i.e. Fort de l'Écluse Member, Rivière Member and Vallorbe Member. The marly Rivière and Bôle members appear to present time-equivalent lithostratigraphic units, recording a major sedimentological event affecting contemporarily both formations. This study proposes a new sedimentary model opening a new point of view on the long-living controversies about the age of the Urgonian series from the Jura Mountains. The data point to strong diachronic ages of lithostratigraphic units with a late Hauterivian to early Barremian occurrence of the "Urgonian blanc" facies in the Meridional Jura area versus a latest Barremian age in the Central Jura area, reflecting a general progradation of the Urgonian shallow-water carbonate platform from the present-day Meridional Jura area toward external deeper-water shelf environments of the present-day Central Jura area and Molasse basin. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Swiss Journal of Geosciences is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1186/s00015-021-00395-5 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 47 StartPage: 1 Subjects: – SubjectFull: Gorges Type: general – SubjectFull: Molasse Type: general – SubjectFull: Facies Type: general – SubjectFull: Carbonates Type: general – SubjectFull: Age Type: general – SubjectFull: Jura Mountains (France & Switzerland) Type: general Titles: – TitleFull: New insights on the Early Cretaceous (Hauterivian–Barremian) Urgonian lithostratigraphic units in the Jura Mountains (France and Switzerland): the Gorges de l'Orbe and the Rocher des Hirondelles formations. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Pictet, Antoine IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 12 Text: Dec2021 Type: published Y: 2021 Identifiers: – Type: issn-print Value: 16618726 Numbering: – Type: volume Value: 114 – Type: issue Value: 1 Titles: – TitleFull: Swiss Journal of Geosciences Type: main |
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