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Jean Broutin
Pierre-and-Marie-Curie University
GeomorphologyGeologyPaleozoicPaleontologyPermian
97Publications
21H-index
1,402Citations
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Publications 91
Newest
#1Jean BroutinH-Index: 21
#2Jianxin YuH-Index: 13
Last. Xue Qing
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#1J. DíezH-Index: 4
#2Jean BroutinH-Index: 21
Last. José López-GómezH-Index: 1
view all 7 authors...
Trabajo presentado en el 2nd International congress on Permian and Triassic, celebrado en Casablanca (Marruecos), del 25 al 27 de abril de 2018
#1Manuel JuncalH-Index: 1
#2J. DíezH-Index: 4
Last. Jean BroutinH-Index: 21
view all 6 authors...
Trabajo presentado en el 2nd International congress on Permian and Triassic, celebrado en Casablanca (Marruecos), del 25 al 27 de abril de 2018
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#1Sylvie Bourquin (CNRS: Centre national de la recherche scientifique)H-Index: 19
#2Camille Rossignol (UFOP: Universidade Federal de Ouro Preto)H-Index: 5
Last. Jianxin Yu (China University of Geosciences)H-Index: 13
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Abstract In their comment, Zhang et al. (2018) question the existence of the deformation structures that we report for the upper part of the Chahe Permian-Triassic Boundary reference section. These authors further suggest that this deformation contradicts the regional litho, bio- and chemostratigraphic results. Here again, and based on the outcrop picture provided by Zhang et al. (2018), we present new arguments attesting for a major tectonic deformation in the upper part of the Chahe section. W...
3 CitationsSource
#1Sylvie Bourquin (University of Rennes)H-Index: 19
#2Camille Rossignol (UFOP: Universidade Federal de Ouro Preto)H-Index: 5
Last. Jianxin Yu (China University of Geosciences)H-Index: 13
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The Permian–Triassic boundary is located above the main Phanerozoic terrestrial and marine biotic crisis. Southwest China (eastern Yunnan and western Guizhou) is considered as an ideal place in Asia to study the terrestrial Permian–Triassic boundary, its correlation with the stratigraphically equivalent marine deposits, and to discuss the contemporaneity between the marine and terrestrial extinctions. The Chahe and Zhejue sections, which have already been studied in detail, especially using δ13C...
5 CitationsSource
#1Pierre Pellenard (CNRS: Centre national de la recherche scientifique)H-Index: 19
#2Georges Gand (CNRS: Centre national de la recherche scientifique)H-Index: 17
Last. Jean-Sébastien Steyer (CNRS: Centre national de la recherche scientifique)H-Index: 8
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Abstract Volcanism was intense in western European basins during the Late Carboniferous–Early Permian transition, related to the late Variscan extension and associated magmatism. In the Autun Basin, explosive eruptions, expressed as highly weathered distal ashfall deposits (tonsteins), were preserved in lacustrine to swamp environments. The analysis of eleven tonsteins, confirmed as non-reworked volcanic horizons, indicates a highly explosive acidic calc-alkaline volcanism, with active volcanic ...
9 CitationsSource
A novel well-preserved woody branch, Turpanopitys taoshuyuanense gen. et sp. nov. was collected in the early Triassic terrestrial deposits in the Turpan Basin, Northwest China. The permineralized wood is characterized by a heterogeneous pith, endarch primary xylem and Protophyllocladoxylon-type secondary xylem. The pith consists of parenchyma cells and supporting diaphragms formed by brick-like sclerenchyma cells. The quantitative growth-ring analyses of T. taoshuyuanense indicate that the speci...
7 CitationsSource
#1Xiao Shi (UPMC: Pierre-and-Marie-Curie University)H-Index: 1
#2Jianxin Yu (China University of Geosciences)H-Index: 13
Last. Denise Pons (UPMC: Pierre-and-Marie-Curie University)H-Index: 12
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Abstract A novel well-preserved woody stem Junggaropitys dalongkouensis gen. et sp. nov. was collected from the Middle–Late Triassic sediments of the Karamay Formation in the Junggar Basin, Xinjiang Uygur Autonomous Region, Northwest China. The permineralized wood is characterized by a small homogeneous pith, endarch primary xylem and Protophyllocladoxylon -type secondary xylem. The quantitative growth-ring analyses of Junggaropitys dalongkouensis indicate that the species is evergreen, and the ...
7 CitationsSource
#1Jianxin Yu (China University of Geosciences)H-Index: 13
#2Jean Broutin (University of Paris)H-Index: 21
Last. Qisheng Huang (China University of Geosciences)H-Index: 2
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Abstract This paper reviews critically the Permian–Triassic (P–Tr) fossil plants and microflora recorded in three well-studied terrestrial Permian–Triassic boundary (PTB) sections, namely Chahe, Zhejue, and Jiucaichong, and two marine–terrestrial transitional PTB sections, namely Mide and Tucheng, in western Guizhou Province and eastern Yunnan Province (WGEY), Southwest China. Distinct floral composition, abundance and diversity across the PTB allow the establishment of two terrestrial macroflor...
40 CitationsSource
#1José B. Diez (University of Vigo)H-Index: 14
#2Alfredo Arche (CSIC: Spanish National Research Council)H-Index: 22
Last. José López-Gómez (CSIC: Spanish National Research Council)H-Index: 23
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This work presents results of a compilation of all published palynological data as well as other unpublished data, on the basis of which a unified palynological biozonation is proposed for the Buntsandstein and Muschelkalk facies from the Iberian Ranges (Spain).
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