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New records of Jurassic petrified wood in Jianchang of western Liaoning, China and their palaeoclimate implications

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文摘 Diverse and rich fossil wood records have been documented from the Mesozoic of Liaoning Province, NE China. The Tiaojishan Formation (mainly distributed in Beipiao, Chaoyang, Fuxin and Jianchang regions) is one of the most significant horizons for the Jurassic petrified wood in Liaoning Province. Previously, wood fossils of this formation were mainly reported in Beipiao and Chaoyang regions, whereas fossil wood record was merely known in Jianchang region. Here we describe new fossil wood specimens from the Tiaojishan Formation in Jianchang County, western Liaoning. Two fossil wood taxa, i.e., Protaxodioxylon jianchangense Tian et Wang sp. nov. and Xenoxylon peidense Zheng et Zhang were recognized on the basis of anatomical features. These fossil wood records add new data for understanding the fossil wood diversity, floral composition and palaeoclimate of the Tiaojishan Formation. The occurrence of Xenoxylon and Protaxodioxylon implies a cool temperate, wet and seasonal climate condition with interannual variations during the Middle to Late Jurassic transition in western Liaoning region.
来源 Science China. Earth Sciences ,2015,58(12):2154-2164 【核心库】
DOI 10.1007/s11430-015-5208-1
关键词 fossil wood ; Xenoxylon ; Protaxodioxylon ; Middle to Late Jurassic ; palaeoclimate ; Tiaojishan Formation ; western Liaoning
地址

1. College of Palaeontology, Shenyang Normal University, State Key Laboratory of Palaeobiology and Stratigraphy,Chinese Academy of Sciences;;Key Laboratory for Evolution of Past Life in Northeast Asia, Ministry of Land and Resources, Shenyang, 110034  

2. College of Palaeontology, Shenyang Normal University, Shenyang, 110034  

3. Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Key Laboratory of Economic Stratigraphy and Palaeogeography, Chinese Academy of Sciences, Nanjing, 210008  

4. Chinese Academy of Geological Sciences, Beijing, 100037  

5. Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences, Nanjing, 210008

语种 英文
文献类型 研究性论文
ISSN 1674-7313
学科 地质学;古生物学
基金 the Provincial Training Programs of Innovation and Entrepreneurship for Undergraduates of Liaoning ;  the Talent Fund of Shenyang Normal University ;  Science Research Project of Liaoning Provincial Education Department ;  the State Key Laboratory of Palaeobiology and Stratigraphy (NIGPAS, CAS) ;  Education Bureau Foundation of Liaoning Province ;  the Team Program of Scientific Innovation and Interdisciplinary Cooperation of CAS, the Natural Science Foundation ;  国家自然科学基金 ;  supported by the State Key Program of Basic Research of Ministry of Science and Technology, China
文献收藏号 CSCD:5582876

参考文献 共 58 共3页

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