globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2015.08.021
论文题名:
Reconstruction of a Late Cisuralian (Early Permian) floodplain lake environment: Palaeontology and sedimentology of the Tregiovo Basin (Trentino-Alto Adige, Northern Italy)
作者: Marchetti L.; Forte G.; Bernardi M.; Wappler T.; Hartkopf-Fröder C.; Krainer K.; Kustatscher E.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2015
卷: 440
起始页码: 180
结束页码: 200
语种: 英语
英文关键词: Feeding traces ; Kungurian ; Lacustrine deposits ; Palynomorphs ; Plant fossils ; Trace fossils
英文摘要: The Late Cisuralian is known as a time of increasing aridity, compared to the Late Pennsylvanian-Early Cisuralian. Although several studies highlighted this trend at low latitudes of Western Pangaea, little is known from Central Pangaea environments. The discovery of new fossiliferous horizons in the Late Cisuralian Tregiovo Formation (Northern Italy), allowed a new palaeoenvironmental study based on facies analysis, ichnology, palaeobotany, plant-insect interaction and palynology. Three facies associations were identified (A-C), and correspond to floodplain lake, ephemeral lacustrine and distal alluvial fan environments, respectively. The tetrapod ichnoassociation is more diverse than previously known, including abundant diapsid and non-diapsid reptile tracks and rarer temnospondyl amphibian tracks. Plant fossils are characterized by a predominance of hinterland taxa (conifers), hygrophytic plants are present as well. The sporomorph association is dominated by miospores of Cordaitales, Voltziales, and Peltaspermales while trilete lycopsid and fern miospores are rare which corresponds well with the macroflora. Invertebrate trace fossils and feeding traces on plant fossils are described for the first time from the Tregiovo Basin suggesting transitional, low energy environments, and a relatively low level of herbivory, respectively. This study evidences the development in the Tregiovo Basin of a wet-and-dry (probably seasonal) climate, which became drier between facies associations A-B. This environment constitutes an important reference since few data are known to infer the Late Cisuralian climatic conditions of Central Pangaea. © 2015 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/68717
Appears in Collections:过去全球变化的重建

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作者单位: CAM Centro di Ateneo per i Musei, Università degli Studi di Padova, Via Orto Botanico 15, Padova, Italy; Dipartimento di Geoscienze, Università degli Studi di Padova, Via Gradenigo 6, Padova, Italy; Museo di Scienze Naturali dell'Alto Adige, Via Bottai 1, Bolzano, Italy; MUSE Museo delle Scienze, Corso del Lavoro e della Scienza, 3, Trento, Italy; School of Earth Sciences, University of Bristol, Bristol, United Kingdom; Steinmann Institut für Geologie, Mineralogie und Paläontologie, Universität Bonn, Nussallee 8, Bonn, Germany; Geologischer Dienst Nordrhein-Westfalen, De-Greiff-Straße 195, Krefeld, Germany; Institut für Geologie, Universität Innsbruck, Innrain 52, Innsbruck, Austria; Department für Geo- und Umweltwissenschaften, Paläontologie und Geobiologie, Ludwig-Maximilians-Universitat, and Bayerische Staatssammlung fur Palaontologie und Geologie, Richard-Wagner-Straße 10, München, Germany

Recommended Citation:
Marchetti L.,Forte G.,Bernardi M.,et al. Reconstruction of a Late Cisuralian (Early Permian) floodplain lake environment: Palaeontology and sedimentology of the Tregiovo Basin (Trentino-Alto Adige, Northern Italy)[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2015-01-01,440
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