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Early Cretaceous volcanism and its impact on fossil preservation in Western Liaoning, NE China
Jiang, Baoyu1; Fuersich, Franz T.2; Sha, Jingeng (沙金庚)3; Wang, Bo (王博)3; Niu, Yazhuo1
2011-03-15
Source PublicationPALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY
ISSN0031-0182
Volume302Issue:3-4Pages:255-269
Abstract

The so-called Jehol Biota, an excellently preserved Early Cretaceous biota consisting of both lacustrine and terrestrial organisms, is one of the most important Mesozoic fossillagerstatten. Although there have been extensive palaeontological studies, little work has been done on the volcanic settings under which the biota was preserved. The Sihetun area is the most famous fossil locality of the Jehol Biota in western Liaoning, and the volcanic succession in that area is the most representative and best studied. We use a case study of the volcanic succession of the Lower Cretaceous Yixian Formation in the Sihetun area to reconstruct the volcanic complexes and their history, to propose a depositional model of the volcanic successions, and to understand the relationship between volcanic activity and fossil preservation in western Liaoning. The volcanic succession comprises four volcanic complexes, each with distinct products; a shield volcano, an intermediate multi-vent center, a volcanic lake (in summit caldera), and finally lava domes. The presence of a caldera is postulated from exposures which suggest the presence of in inner topographic wall, bounding faults, and intra-caldera fill. Frequent volcanic activities and widespread existence of volcanic lakes during the Early Cretaceous are thought to account for the exceptional preservation of invertebrates and vertebrates of the Jehol Biota in western Liaoning. (C) 2011 Elsevier B.V. All rights reserved.

KeywordEarly Cretaceous Volcanism Jehol Biota Western Liaoning Ne China
DOI10.1016/j.palaeo.2011.01.016
Language英语
WOS KeywordAsh-flow Calderas ; Yixian Formation ; Northeast China ; Crater Lake ; Depositional-environments ; Feathered Dinosaurs ; Eastern China ; Jehol-biota ; Middle-ear ; Ice-melt
Funding ProjectNational Science Foundation of China[40672077] ; National Science Foundation of China[40632010] ; DAAD
WOS Research AreaPhysical Geography ; Geology ; Paleontology
WOS SubjectGeography, Physical ; Geosciences, Multidisciplinary ; Paleontology
WOS IDWOS:000289657700011
Funding OrganizationNational Science Foundation of China ; DAAD
PublisherELSEVIER SCIENCE BV
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Document Type期刊论文
Identifierhttp://ir.nigpas.ac.cn/handle/332004/476
Collection中国科学院南京地质古生物研究所
其他
Corresponding AuthorJiang, Baoyu
Affiliation1.Nanjing Univ, State Key Lab Mineral Deposits Res, Sch Earth Sci & Engn, Nanjing 210093, Jiangsu, Peoples R China
2.Univ Erlangen Nurnberg, Geozentrum Nordbayern, FG Palaoumwelt, D-91054 Erlangen, Germany
3.Acad Sinica, Nanjing Inst Geol & Palaeontol, Nanjing 210008, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Jiang, Baoyu,Fuersich, Franz T.,Sha, Jingeng ,et al. Early Cretaceous volcanism and its impact on fossil preservation in Western Liaoning, NE China[J]. PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,2011,302(3-4):255-269.
APA Jiang, Baoyu,Fuersich, Franz T.,Sha, Jingeng ,Wang, Bo ,&Niu, Yazhuo.(2011).Early Cretaceous volcanism and its impact on fossil preservation in Western Liaoning, NE China.PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY,302(3-4),255-269.
MLA Jiang, Baoyu,et al."Early Cretaceous volcanism and its impact on fossil preservation in Western Liaoning, NE China".PALAEOGEOGRAPHY PALAEOCLIMATOLOGY PALAEOECOLOGY 302.3-4(2011):255-269.
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