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hqzhang80
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sunli1977(½ð±Ò+8,VIP+0):²éÕÒ½á¹û׼ȷ
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Title: Depositional process and evolution of Luanping Early Cretaceous basin in the Yanshan structural belt. Author(s): Zhang YL (Zhang YingLi), Qu HJ (Qu HongJie), Meng QR (Meng QingRen) Source: ACTA PETROLOGICA SINICA 23 (3): 667-678 MAR 2007 Document Type: Article Language: Chinese Cited References: 56 Times Cited: 0 Abstract: The Luanping basin is a well-preserved extensional basin in the Yanshan structural belt. There exist various depositional sedimentary lithofacies that show obvious spatial variations. Alluvial fan and fan delta dominated proximal areas of the northern and western basin margins, while fine-grained lacustrine sediments were prevalent in the basin centre. In southeast basin is mostly fluvial sandstone and conglomerate facies associations. Sediments were demonstrated to have mainly come from metamorphic basements on the north and west, only small proportion from southeastern margin, as indicated by restored paleo-current directions and provenance. Tectonic subsidence and deposition sedimentation were primarily controlled by the northern and western basin border faults. Uplift of basement rocks of the footwall was due to the tilting of border faults and became main provenance areas. Sedimentary evolution of Luanping basin can be divided into three stages. The first stage is featured by vigorous volcanic eruptions, the second is characterized by extensional subsidence and the third by sedimentary infilling. Luanping basin is a proxy of other similar basins in the Yanshan structural belt in the Early Cretaceous, indicating that late Mesozoic basins are characterised by development of small and isolated basins. Author Keywords: Yanshan structural belt; Early Cretaceous; Luanping basin; sedimentary process; basin evolution KeyWords Plus: METAMORPHIC CORE COMPLEX; NORTHERN CHINA; VOLCANIC-ROCKS; EASTERN CHINA; THRUST BELT; MONGOLIA; AGE; PROVINCE; BRAZIL; HEBEI Addresses: Zhang YL (reprint author), Xian Shiyou Univ, Sch Petr Resources, Xian 710065, Peoples R China Xian Shiyou Univ, Sch Petr Resources, Xian 710065, Peoples R China Chinese Acad Sci, Inst Geol & Geophys, Beijing 100029, Peoples R China E-mail Addresses: yinglizh@126.com Publisher: SCIENCE CHINA PRESS, 16 DONGHUANGCHENGGEN NORTH ST, BEIJING 100717, PEOPLES R CHINA Subject Category: Geology IDS Number: 174QH ISSN: 1000-0569 Output This Record Bibliographic Fields Bibliographic + Abstract Full Record Full Record + Cited Refs [Sign in to access EndNote Web] Or add it to the Marked List for later output and more options. [0 articles marked] Create Citation Alert Receive e-mail alerts on future citations to this record. (Requires registration.) ECNU Holdings Fudan University NLC Peking University Shanghai Jiaotong Shanghai Library The CSDL Union Catalog Xiamen University View record in Current Contents Connect CC Connect Table of Contents Record 1 of 1 (Set #2) |
2Â¥2007-08-10 13:13:53
hqzhang80
ľ³æ (СÓÐÃûÆø)
- Ó¦Öú: 0 (Ó×¶ùÔ°)
- ½ð±Ò: 4137.6
- Ìû×Ó: 226
- ÔÚÏß: 9.5Сʱ
- ³æºÅ: 397135
- ×¢²á: 2007-06-09
- רҵ: Åäλ»¯Ñ§
3Â¥2007-08-10 13:15:58













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