Palaeomagnetic results from the Permian Saint-Affrique basin (France) and implications for late and post-Hercynian tectonics

Diego-Orozco, Arturo; Henry, B.

doi:10.1016/0040-1951(93)90085-x

Cited by 14 publications

(16 citation statements)

References 11 publications

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“…During this time, the Hercynian Mountains, of unknown topography (Ziegler et al, 1997) separated the Lodève Basin from Tethys. Paleomagnetic studies of the Lodève Basin strata indicate that it was a site of paleogeographic stability throughout the Permian, whereas surrounding contemporaneous basins underwent a component of rotation (Cogné et al, 1990;Diego-Orozco and Henry, 1993;Chen et al, 1997;Henry et al, 1999).…”

Section: Geological Settingmentioning

confidence: 99%

Chronostratigraphy and Paleoclimatology of the Lodève Basin, France: Evidence for a pan-tropical aridification event across the Carboniferous–Permian boundary

Michel

Tabor

Montañez

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

110

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a b s t r a c tPaleosols preserved within the Carboniferous-Permian succession of the Lodève Basin, Massif Central, France change stratigraphically from Histosols to calcic Vertisols and Calcisols to gypsic Vertisols and ultimately back to calcic Vertisols and Calcisols. New high-precision U-Pb zircon ages (CA-IDTIMS) for tuff beds within the Lodève and adjacent Graissessac basins significantly revise the chronostratigraphy of these and correlated Permian terrestrial basins of eastern Euramerica. Under the newly revised chronostratigraphy presented here these stratigraphic changes in morphology indicate a substantial drying of paleoenvironments across the Carboniferous-Permian boundary with a trend toward progressively more arid and seasonal climates through most of the early Permian. This newly-realized chronology provides a paleoenvironmental and paleoclimatic timeline for eastern tropical Pangea that is contemporaneous with similar records in western Pangea and suggests pantropical, progressive climate change toward aridity and seasonality occurred from the Late Carboniferous through early Permian.

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Section: Geological Settingmentioning

confidence: 99%

Chronostratigraphy and Paleoclimatology of the Lodève Basin, France: Evidence for a pan-tropical aridification event across the Carboniferous–Permian boundary

Michel

Tabor

Montañez

et al. 2015

Palaeogeography, Palaeoclimatology, Palaeoecology

110

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“…This remagnetization occurred during fluid migrations of Eocene age [27]. For the normal and reversed directions of Site 3S, the reversal test is negative [28], and it is probable that the reversed magnetization results from the perfect superimposition of two components [29], the primary magnetization and a remagnetization of normal polarity, as previously found in the Saint-Rome 2a formation of the Saint-Affrique basin [3].…”

Section: Fill Formation (Table /)mentioning

confidence: 96%

“…As in the Saint-Affrique basin [3], two different groups of magnetization intensities can be distinguished from the Natural Remanent Magnetization (NRM) measurements. The first one, with weak intensity values ranging, in 10-4 Aim, between 3 and 100, is mostly associated to the gray and dark pelites and sandstones from the FII formation.…”

Section: Rock Magnetism Studymentioning

confidence: 99%

Paleomagnetic results from the Permian Rodez basin implications: the Late Variscan tectonics in the southern French Massif Central

Diego-Orozco¹,

Chen²,

Henry³

et al. 2002

Geodinamica Acta

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A paleomagnetic study has been carried out on three sedimentary formations of the Permian Rodez basin in the southern France. Two of them yield paleomagnetic poles of Saxonian and Thuringian age showing counterclockwise rotation of moderate amplitude, during or after the Thuringian deposition. For the French Massif Central, contrary to its stable southern (Lodeve basin) and eastern (Largentiere basin) borders, on its southwestern border, in a large area including the Rodez, Saint-Affrique and perhaps Brive basins suffered rotations due to the extensional tectonics during the Late Variscan period.

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“…We restrict attention to the Permian of southern France. Cogné et al (1990) and Diego-Orozco and Henry (1993) report paleomagnetic results from the Saint-Affrique Basin which lies about 40 km north-west of Lodève. Both papers conclude that the Lodève Basin has not rotated, whereas the Saint-Affrique Basin has had a complex history involving rotations of up to 20°.…”

Section: Tectonic Rotationsmentioning

confidence: 97%

Late Permian paleomagnetic results from the Lodève, Le Luc, and Bas-Argens Basins (southern France): Magnetostratigraphy and geomagnetic field morphology

Evans

Павлов

Veselovsky

et al. 2014

Physics of the Earth and Planetary Interiors

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Palaeomagnetic results from the Permian Saint-Affrique basin (France) and implications for late and post-Hercynian tectonics

Cited by 14 publications

References 11 publications

Chronostratigraphy and Paleoclimatology of the Lodève Basin, France: Evidence for a pan-tropical aridification event across the Carboniferous–Permian boundary

Chronostratigraphy and Paleoclimatology of the Lodève Basin, France: Evidence for a pan-tropical aridification event across the Carboniferous–Permian boundary

Paleomagnetic results from the Permian Rodez basin implications: the Late Variscan tectonics in the southern French Massif Central

Late Permian paleomagnetic results from the Lodève, Le Luc, and Bas-Argens Basins (southern France): Magnetostratigraphy and geomagnetic field morphology

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