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学科主题: Geosciences, Multidisciplinary
题名: Serpulids and their paleoecology of the Paleogene Kalatar Formation in southwest Tarim Basin of China
作者: Yang, HJ ; Shen, JW ; Zhang, LJ ; Li, M ; Huang, ZB ; Wang, Y
通讯作者: jwshen@scsio.ac.cn
关键词: serpulids ; palaeoecology ; Kalatar Formation ; Paleogene ; southwest Tarim Basin
刊名: SCIENCE CHINA-EARTH SCIENCES
发表日期: 2012
卷: 55, 期:7, 页:1087-1100
部门归属: [Shen JianWei; Wang Yue] Chinese Acad Sci, S China Sea Inst Oceanol, Key Lab Marginal Sea Geol CAS, Guangzhou 510301, Guangdong, Peoples R China; [Yang HaiJun; Zhang LiJuan; Li Meng; Huang ZhiBin] Petr Co Ltd, Tarim Oilfield Co, Explorat & Dev Res Inst, Korla 841000, Peoples R China
项目归属: 海洋地质
摘要: Polychaete serpulids are globally distributed tubeworms mostly in marine environments from Late Triassic to modern time. These calcareous tubeworms could be rock-forming, reef-building, or a principal fouling organism in harbor and bays. Carbonates of the Paleogene Kalatar Formation in southwest Tarim Basin yield abundant serpulid fossils, which, together with oyster fossils, constitute the characteristic fossil assemblage of the Kalatar Formation. Other common fossils include bivalves, gastropods, ostracods, echinoderms, and bryozoans. Lithologies that yielded serpulid fossils are characterized by micritic bioclastic limestone, sandy limestone, and shelly limestone, indicating a semi-restricted to open shallow marine environment with medium to low water energy. The research data about serpulids and their fossil materials from China are relatively rare. Based on the studies of fossils taxonomy, community palaeoecology, and fossil taphonomy, this paper analyzed and studied the types, occurrence, distribution, and morphological characteristics of serpulids and their palaeoecological features in the Kalatar Formation. Two serpulid community compositions were recognized in the Kalatar Formation, including a rock-forming Ditrupa community and a cluster-growth Propomatoceros community. The Ditrupa community was distributed in coastal environment of the west Kunlun piedmont, lived on sandy hard substrates with little mud, and rarely occurred in lagoon and tidal settings. The Propomatoceros community occurred in offshore middle carbonate ramp in the piedmont of the south Tianshan Mountains and in offshore shelf in the piedmont of the west Kunlun Mountains. According to the analysis on the host-rock lithologies, preservation and symbionts, it is inferred that serpulids in the Kalatar Formation grew on the oyster shell or other hard substrate, and they did not form reefs or bioherms.
语种: 英语
WOS记录号: WOS:000305891900004
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10333
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Yang, HJ; Shen, JW; Zhang, LJ; Li, M; Huang, ZB; Wang, Y.Serpulids and their paleoecology of the Paleogene Kalatar Formation in southwest Tarim Basin of China,SCIENCE CHINA-EARTH SCIENCES,2012,55(7):1087-1100
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