The Bassaride Orogen

Villeneuve, Michel; Bassot, Jean Pierre; Robineau, Bernard; Dallmeyer, R. D.; Ponsard, J.F.

doi:10.1007/978-3-642-84153-8_8

Cited by 10 publications

(5 citation statements)

References 18 publications

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“…Guiraud (pers. com., 2002) considers that the Late Devonian-Early Carboniferous Bretonic (Strunian) Phase represents the first tectonic event associated with the Hercynian Orogeny, while the latest deformation can be dated as Early Permian (Villeneuve et al, 1991). Most of the deformation in the Saharan foreland seems to correspond to the major tectonic phases of this orogeny during the Late Carboniferous-Early Permian (Haddoum et al, 2001), which due to the stronger tectonic stresses must have propagated more distally into the continental interior.…”

Section: Late Namurian Stephanian and Westphalian: Carbonates In Thementioning

confidence: 97%

Regional geology and petroleum systems of the Illizi–Berkine area of the Algerian Saharan Platform: An overview

Galeazzi¹,

Point

Haddadi

et al. 2010

Marine and Petroleum Geology

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Section: Late Namurian Stephanian and Westphalian: Carbonates In Thementioning

confidence: 97%

Regional geology and petroleum systems of the Illizi–Berkine area of the Algerian Saharan Platform: An overview

Galeazzi¹,

Point

Haddadi

et al. 2010

Marine and Petroleum Geology

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“… Early Permian intraplate deformation of the Saharan platform forming the foreland of the Mauritanides orogen, modified and completed from Villeneuve et al . (1991) and Ziegler et al .…”

Section: Correlations and Conclusionmentioning

confidence: 99%

“…The Hercynian structures of the western Anti‐Atlas continue into the Zemmour region of southern Morocco, where Sougy (1964) described NNE‐trending folds and thrusts, with eastward vergence. Finally, in the Mauritanide Orogen and its northern (Adrar Soutouf) extension, dominantly east‐vergent thrusts, accompanied by metamorphism and folding of the foreland western Taoudenni Basin, occurred from the Late Visean to Early Permian times (Lécorché et al ., 1991; Villeneuve et al ., 1991).…”

Section: Correlations and Conclusionmentioning

confidence: 99%

Hercynian compressional deformations of the Ahnet–Mouydir Basin, Algerian Saharan Platform: far‐field stress effects of the Late Palaeozoic orogeny

2001

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N–S to NW–SE‐trending faults and reverse faults occur within the Palaeozoic Ahnet–Mouydir Basin of the Algerian Saharan Platform, located to the east of the West African Pan‐African suture zone. Deformation and stratigraphic analysis show that this basin underwent a NNE–SSW to ENE–WSW shortening at about the Carboniferous/Permian transition or, more probably, during the Early Permian. A brief review of the more or less synchronous deformations registered in the neighbouring regions, and more specifically around the West African Craton, illustrates the mechanical coupling between intraplate tectonics and the Hercynian plate margins orogenies.

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“…-The Bassaride belt (2) is cropping out in eastern Senegal and northern Guinea [23]. This belt ascribed to the Panafrican I orogenic event results of the closure of an unnamed ocean subducting to the west with an island arc located to the west, in the Niokolo-Koba branch.…”

Section: On the Western Sidementioning

confidence: 99%

Linking the Neoproterozoic to Early Paleozoic Belts Bordering the West African and Amazonian Cratons

Villeneuve,

Rossignol

2023

Preprint

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Correlations between the Neoproterozoic belts surrounding the West African Craton and northern Brazilian cratons have long been a subject of interest and controversies. Due to the splitting of African and South American continents by the Atlantic oceanic domains, no direct links are preserved, requiring relying on various geological or geophysical characteristics to propose such correlations. In addition to the opening of the Atlantic oceanic domains, another difficulty arises from the covering of northern Brazilian belts by upper Paleozoic and Mesozoic basins, making these correlations speculative. Recently, four orogens have been evidenced in the Neoproterozoic belts of the western margin of the West Africa Craton, while the belts on the eastern side underwent only one orogeny. Similarities with the Pan-African I (900-650 Ma) and with the Pan-African II (650-480 Ma) orogenic events have been evidence in the western Brazilian belts (Araguay and Paraguay). The two first orogens on the western margin (Pan-African I and Pan-African II) can thus be extended to the western Brazilian belts and can be considered as parts of a single geodynamic system running from the Mauritania to the Paraguay including the “Gurupi rift” as an aulacogen connected to the NNW-SSE Panafrican I and II oceanic domains. Consequently, the eastern Brazilian belt should rather be linked the Eastern Trans-Saharan belts.

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The Bassaride Orogen

Cited by 10 publications

References 18 publications

Regional geology and petroleum systems of the Illizi–Berkine area of the Algerian Saharan Platform: An overview

Regional geology and petroleum systems of the Illizi–Berkine area of the Algerian Saharan Platform: An overview

Hercynian compressional deformations of the Ahnet–Mouydir Basin, Algerian Saharan Platform: far‐field stress effects of the Late Palaeozoic orogeny

Linking the Neoproterozoic to Early Paleozoic Belts Bordering the West African and Amazonian Cratons

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