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Basement Structure and Properties of the Western Junggar Basin, China
Zhao, JM (Zhao, Junmeng)1,2,3; Chen, SZ (Chen, Shuze)2,3; Deng, G (Deng, Gong)2,3; Shao, XZ (Shao, Xuezhong)4; Zhang, H (Zhang, Heng)2; Aminov, J (Aminov, Jamshed)2,3; Chen, XF (Chen, Xinfa)5; Ma, ZJ (Ma, Zongjin)3

A comprehensive geophysical profile stretching from Qingyijing at the southern edge of the Junggar Basin to Ubara on the northern margin of the Junggar Basin was conducted in an attempt to probe the crustal structure of the western Junggar Basin (hereafter referred to simply as the Basin'), and, in particular, the structure and property of the Basin's crystalline basement. A survey using seismically converted waves was conducted along this profile to determine the characteristics of the P- and S-wave velocities typical of the crust and uppermost mantle. A joint inversion of gravitation and aeromagnetic data was also performed to acquire the density and magnetization intensity values found beneath the western Basin. This research revealed that the Basin is composed of the so-called Manasi terrain in the south, and the Wulungu terrain in the north. Their boundary is located along the WNW-trending Dishuiquan-Sangequan suture, linking the NE-striking Da'erbute suture (DS) in the west, and the WNW-trending Kalameili suture (KS) in the east. In its northern part, the Wulungu-type terrain has a double-layered basement, of which the upper layer is a folded basement of Hercynian orogenic origin, and the lower layer is a crystalline basement of Middle-Upper Proterozoic age. The southern part of the Basin, i.e., the Manasi terrain, has a single-layered crystalline basement. The folded basement here is too thin to be clearly distinguished.

Subject AreaGeosciences
WOS IDWOS:000464905900001
Indexed BySCI
KeywordTectonic Evolution Northern Margin Potential-field Inversion
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
Cooperation Status国内
Citation statistics
Document Type期刊论文
Corresponding AuthorZhao, JM (Zhao, Junmeng)
Affiliation1.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China;
2.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Continental Collis & Plateau Uplift, Beijing 100085, Peoples R China;
3.Univ Chinese Acad Sci, Beijing 100029, Peoples R China;
4.China Earthquake Adm, Inst Geol, Beijing 100029, Peoples R China;
5.Xinjiang Oilfield Co, Karamay 834000, Peoples R China.
Recommended Citation
GB/T 7714
Zhao, JM ,Chen, SZ ,Deng, G ,et al. Basement Structure and Properties of the Western Junggar Basin, China[J]. JOURNAL OF EARTH SCIENCE,2019,30(2):223-235.
APA Zhao, JM .,Chen, SZ .,Deng, G .,Shao, XZ .,Zhang, H .,...&Ma, ZJ .(2019).Basement Structure and Properties of the Western Junggar Basin, China.JOURNAL OF EARTH SCIENCE,30(2),223-235.
MLA Zhao, JM ,et al."Basement Structure and Properties of the Western Junggar Basin, China".JOURNAL OF EARTH SCIENCE 30.2(2019):223-235.
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