globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2014.09.015
论文题名:
Palaeoenvironmental reconstruction of the early Anisian from sedimentology and plant remains in the SE Iberian Range (E Spain)
作者: Borruel-Abadía V.; Galán-Abellán A.B.; Kustatscher E.; Diéguez C.; López-Gómez J.; De la Horra R.; Barrenechea J.F.; Arche A.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2014
卷: 414
起始页码: 352
结束页码: 369
语种: 英语
英文关键词: Alluvial system ; Anisian ; Architectural elements ; Biotic crisis ; Flora ; Taphonomy
英文摘要: The end of the Permian period is characterized by the largest mass extinction ever recorded in marine and terrestrial sedimentary rocks. The oldest plant macro-remains after the P-T boundary recorded in the Castilian Branch of the Iberian Range after this mass extinction belong to the Eslida Formation of Anisian age. These associations have been recovered at four localities and include sphenophytes (. Equisetites, perhaps Neocalamites or Schizoneura), conifers (. Volzia, Albertia, Pelourdea), lycophytes (. Pleuromeia) and a possible seed fern (. Peltaspermum).Facies associations and sedimentological analysis of the Eslida Formation have allowed for distinguishing four architectural elements: CH (channel deposits), LA (lateral accretion), CS (crevasse splay) and FF (overbank fines). The largest fossil remains are associated with CH and LA architectural elements and high-energy events, and they form part of the basal lag or reactivation surfaces. Smaller and well-preserved fragments are associated with the CS architectural elements.A sedimentologic, taphonomic and palaeoclimatic analysis reveals gradation from riparian hygrophytic vegetation to semi-arid xerophitic vegetation across the alluvial complexes and a progressive aridification through time. A comparison with other areas shows that this association is similar to coeval floras of Iberia and of the "Grès à Voltzia" Formation of northeastern France. © 2014 Elsevier B.V.
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/69209
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作者单位: Instituto de Geociencias (UCM, CSIC), C/ José Antonio Novais 12, Madrid, Spain; Museum of Nature South Tyrol, Bindergasse 1, Bolzano, Italy; Departamento de Paleobiología, Museo Nacional de Ciencias Naturales, CSIC, C/ José Gutiérrez Abascal 2, Madrid, Spain; Departamento de Estratigrafía, Facultad de Geología, Universidad Complutense de Madrid, C/ José Antonio Novais 12, Madrid, Spain; Departamento de Cristalografía y Mineralogía, Facultad de Geología, Universidad Complutense de Madrid, C/ José Antonio Novais 12, Madrid, Spain; Department für Geo- und Umweltwissenschaften, Paläontologie und Geobiologie, Ludwig-Maximilians-Universität, Richard-Wagner-Straße 10, München, Germany

Recommended Citation:
Borruel-Abadía V.,Galán-Abellán A.B.,Kustatscher E.,et al. Palaeoenvironmental reconstruction of the early Anisian from sedimentology and plant remains in the SE Iberian Range (E Spain)[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2014-01-01,414
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