globalchange  > 过去全球变化的重建
DOI: 10.1016/j.palaeo.2012.03.017
论文题名:
Late Cretaceous (Campanian) provenance change in the Songliao Basin, NE China: Evidence from detrital zircon U-Pb ages from the Yaojia and Nenjiang Formations
作者: Zhao B.; Wang C.; Wang X.; Feng Z.
刊名: Palaeogeography, Palaeoclimatology, Palaeoecology
ISSN: 0031-0182
出版年: 2013
卷: 385
起始页码: 83
结束页码: 94
语种: 英语
英文关键词: Detrital zircon U-Pb ages ; Late Cretaceous ; Provenance analysis ; Songliao Basin ; Tectonic inversion
英文摘要: In order to define the provenance change across the nonconformable boundary between the second and the third members of the Upper Cretaceous Nenjiang Formation (Campanian) in the north-central area of the Songliao Basin, two sandstone samples above (sample a-1 from the fourth member of the Nenjiang) and below (sample z-1 from the first member of the Yaojia Formation) the nonconformity were collected from core holes. U-Pb dating was performed on detrital zircons separated from the three sandstone samples. Detrital zircons from sample a-1 have dominant age populations of 100-110. Ma, 190-220. Ma, and ~. 1800. Ma, and sample z-1 has dominant ages of 130-150. Ma and ~. 350. Ma. This paper demonstrates that the provenance of the fourth member of the Nenjiang Formation is significantly different from the first member of the Coniacian Yaojia Formation. The provenance above the nonconformity became much more complex and the eastern source increased significantly, while the western source sharply declined. The main source areas of the fourth member of the Nenjiang Formation are mainly the Zhangguangcai Range, the eastern Lesser Xiang'an Range and the southeast of Songliao Basin. The dominant provenance of the first member of the Yaojia Formation is the northern, the central and the southern Great Xing'an Range. According to the depositional ages and combining the latest seismic stratigraphic profiles in the Songliao Basin, the tectonic inversion of the eastern Songliao Basin began between 73. Ma and 87. Ma, which differs from the previous age of 73. Ma. © 2012 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/69692
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作者单位: School of Earth Science and Resources, China University of Geosciences, Beijing 100083, China; State Key Laboratory of Biogeology and Environmental Geology, China University of Geosciences, Beijing 100083, China; Sinopec International Petroleum Exploration and Production Corporation, Beijing 100029, China; Institute of Exploration and Development of Daqing Oil field Company Ltd, Daqing 163712, China

Recommended Citation:
Zhao B.,Wang C.,Wang X.,et al. Late Cretaceous (Campanian) provenance change in the Songliao Basin, NE China: Evidence from detrital zircon U-Pb ages from the Yaojia and Nenjiang Formations[J]. Palaeogeography, Palaeoclimatology, Palaeoecology,2013-01-01,385
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