globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2016.08.037
论文题名:
Paleocene methane seep and wood-fall marine environments from Spitsbergen, Svalbard
作者: Hryniewicz K.; Bitner M.A.; Durska E.; Hagström J.; Hjálmarsdóttir H.R.; Jenkins R.G.; Little C.T.S.; Miyajima Y.; Nakrem H.A.; Kaim A.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2016
卷: 462
起始页码: 41
结束页码: 56
语种: 英语
英文关键词: Chemosynthesis-based environments ; Conchocele ; Ecology ; Hydrocarbon seeps ; Paleocene ; Svalbard
英文摘要: Here we describe a Paleocene-aged methane seep locality and an associated layer of sunken wood, from Fossildalen on Spitsbergen, Svalbard, hosted in offshore to prodelta siltstones of the Basilika Formation, Van Mijenfjorden Group. The fossiliferous seep carbonates were first identified in museum collections from expeditions in the 1920s and 1970s, and subsequently sampled as ex-situ blocks in the field in 2015. The isotopically light composition (δ13C values approaching − 50‰ V-PDB), and characteristic petrographic textures of the carbonates combined with the isotopically light archaeal lipids are consistent with their formation at fossil hydrocarbon seep environment. The invertebrate fauna within the carbonates is of moderate diversity (17 species) and has a shallow water affinity. Wood specimens within the carbonates contain the borings and shells of wood-boring bivalves. The seep fauna is dominated by a species of the thyasirid genus Conchocele, common to other seeps of similar age. The data shed new light onto the history of methane seepage on Svalbard, and the evolution and ecology of seep and wood-fall faunas during the latest Cretaceous–earliest Paleogene time interval. © 2016 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/68205
Appears in Collections:过去全球变化的重建

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作者单位: Institute of Paleobiology, Polish Academy of Sciences, ul. Twarda 51/55, Warszawa, Poland; Faculty of Geology, University of Warsaw, ul. Żwirki i Wigury 93, Warszawa, Poland; Department of Palaeobiology, Swedish Museum of Natural History, Box 50007, Stockholm, Sweden; The University Centre in Svalbard (UNIS), Pb 156, Longyearbyen, Norway; School of Natural System, College of Science and Engineering, Kanazawa University, Kanazawa City, Ishikawa, Japan; School of Earth and Environment, University of Leeds, Leeds, United Kingdom; Department of Geology and Mineralogy, Graduate School of Science, Kyoto University, Oiwakecho, Kitashirakawa, Sakyo-ku, Kyoto, Japan; Natural History Museum, University of Oslo, PO Box 1172 Blindern, Oslo, Norway

Recommended Citation:
Hryniewicz K.,Bitner M.A.,Durska E.,et al. Paleocene methane seep and wood-fall marine environments from Spitsbergen, Svalbard[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2016-01-01,462
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