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Serpulids and their paleoecology of the Paleogene Kalatar Formation in southwest Tarim Basin of China
Yang, HJ; Shen, JW; Zhang, LJ; Li, M; Huang, ZB; Wang, Y; jwshen@scsio.ac.cn
2012
发表期刊SCIENCE CHINA-EARTH SCIENCES
ISSN1674-7313
卷号55期号:7页码:1087-1100
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.
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
关键词Serpulids Palaeoecology Kalatar Formation Paleogene Southwest Tarim Basin
学科领域Geosciences, Multidisciplinary
语种英语
资助项目海洋地质
WOS记录号WOS:000305891900004
引用统计
文献类型期刊论文
条目标识符http://ir.scsio.ac.cn/handle/344004/10333
专题中科院边缘海地质重点实验室
通讯作者jwshen@scsio.ac.cn
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GB/T 7714
Yang, HJ,Shen, JW,Zhang, LJ,et al. Serpulids and their paleoecology of the Paleogene Kalatar Formation in southwest Tarim Basin of China[J]. SCIENCE CHINA-EARTH SCIENCES,2012,55(7):1087-1100.
APA Yang, HJ.,Shen, JW.,Zhang, LJ.,Li, M.,Huang, ZB.,...&jwshen@scsio.ac.cn.(2012).Serpulids and their paleoecology of the Paleogene Kalatar Formation in southwest Tarim Basin of China.SCIENCE CHINA-EARTH SCIENCES,55(7),1087-1100.
MLA Yang, HJ,et al."Serpulids and their paleoecology of the Paleogene Kalatar Formation in southwest Tarim Basin of China".SCIENCE CHINA-EARTH SCIENCES 55.7(2012):1087-1100.
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