IGGCAS OpenIR  > 岩石圈演化国家重点实验室
Late Paleozoic Chingiz and Saur Arc Amalgamation in West Junggar (NW China): Implications for Accretionary Tectonics in the Southern Altaids
Song, Shuaihua1,3,4; Xiao, Wenjiao1,2,3; Windley, Brian F.5; Collins, A. S.6; Chen, Yichao3; Zhang, Ji'en1,4; Schulmann, Karel7,8; Han, Chunming1,4; Wan, Bo1,4; Ao, Songjian1,4; Zhang, Zhiyong1,4; Song, Dongfang1,4; Li, Rui1,3,4
2020-07-01
Source PublicationTECTONICS
ISSN0278-7407
Volume39Issue:7Pages:24
AbstractThe Saur-Chingiz Belt (SCB) in northern West Junggar is regarded as the amalgamation zone of the Saur and Chingiz arcs. It contains diagnostic rocks of accretionary origin, providing critical information about the evolution of the southern Paleo-Asian Ocean. We recognize various lithologies in the SCB, including an ophiolitic melange, turbidites, conglomerates, rhyolites, breccias, and diorites, and investigate the structures of the Hebukesaier ophiolitic melange. Kinematic analysis indicates top-to-the-N thrusting. A coarse-grained gabbro (ca. 490 Ma) and a fine-grained gabbro (ca. 318 Ma) have normal mid-ocean ridge basalt (N-MORB)-type geochemical signatures, and three groups of pillow basalts exhibit N-MORB, enriched mid-ocean ridge basalt (E-MORB), and ocean island basalts (OIB) fingerprints, respectively. Detrital zircons in tuffs, conglomerates, and turbidites associated with the Hebukesaier melange display predominant ages of 410-440 Ma, which are consistent with the age of the Chingiz Arc. This suggests that the mafic rocks (ophiolitic components) in the Hebukesaier melange were generated at a mid-ocean ridge and were later accreted to the Chingiz Arc, which formed above a southward-dipping subduction zone that consumed the Paleo-Asian Ocean.The predominant zircon age peaks of turbidites from the Saur area, north of the Hebukesaier melange, range from 326 to 360 Ma, which areconsistent with a provenance from the Saur Arc. The distinctive detrital zircons of the Chingiz and Saur arcs indicate that the northern boundary of the Hebukesaier melange is the tectonic boundary between the Chingiz and Saur arcs. We suggest that Paleo-Asian Ocean closed before Late Triassic as indicated by a diorite vein (ca. 218 Ma) that intruded the Hebukesaier melange.
KeywordChingiz arc Saur arc Hebukesaier ophiolitic melange Altaids
DOI10.1029/2019TC005781
Funding OrganizationNational Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS
WOS KeywordZIRCON U-PB ; OCEAN PLATE STRATIGRAPHY ; ASIAN OROGENIC BELT ; INTRAOCEANIC SUBDUCTION SYSTEM ; OPHIOLITIC MELANGE ; CONTINENTAL GROWTH ; KAZAKSTAN OROCLINE ; BEISHAN OROGEN ; VOLCANIC-ROCKS ; CRUSTAL GROWTH
Language英语
Funding ProjectNational Key R & D Program of China[2017YFC0601206] ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences[XDB18020203] ; National Natural Science Foundation of China[41730210] ; National Natural Science Foundation of China[41390441] ; National Natural Science Foundation of China[41472208] ; National Natural Science Foundation of China[41230207] ; National Natural Science Foundation of China[41202150] ; Key Research Program of Frontier Sciences of CAS[QYZDJ-SSW-SYS012]
Funding OrganizationNational Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; National Key R & D Program of China ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; Strategic Priority Research Program (B) of the Chinese Academy of Sciences ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS ; Key Research Program of Frontier Sciences of CAS
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000556710300023
PublisherAMER GEOPHYSICAL UNION
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/97641
Collection岩石圈演化国家重点实验室
Corresponding AuthorXiao, Wenjiao
Affiliation1.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing, Peoples R China
2.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Xinjiang Res Ctr Mineral Resources, Urumqi, Peoples R China
3.Univ Chinese Acad Sci, Coll Earth & Planetary Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Innovat Acad Earth Sci, Beijing, Peoples R China
5.Univ Leicester, Dept Geol, Leicester, Leics, England
6.Univ Adelaide, Dept Earth Sci, Tecton & Earth Syst Grp, Adelaide, SA, Australia
7.Univ Strasbourg, Inst Phys Globe Strasbourg, MMR7516, CNRS,EOST, Strasbourg, France
8.Czech Geol Survey, Dept Lithospher Res, Prague 1, Czech Republic
First Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Corresponding Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Song, Shuaihua,Xiao, Wenjiao,Windley, Brian F.,et al. Late Paleozoic Chingiz and Saur Arc Amalgamation in West Junggar (NW China): Implications for Accretionary Tectonics in the Southern Altaids[J]. TECTONICS,2020,39(7):24.
APA Song, Shuaihua.,Xiao, Wenjiao.,Windley, Brian F..,Collins, A. S..,Chen, Yichao.,...&Li, Rui.(2020).Late Paleozoic Chingiz and Saur Arc Amalgamation in West Junggar (NW China): Implications for Accretionary Tectonics in the Southern Altaids.TECTONICS,39(7),24.
MLA Song, Shuaihua,et al."Late Paleozoic Chingiz and Saur Arc Amalgamation in West Junggar (NW China): Implications for Accretionary Tectonics in the Southern Altaids".TECTONICS 39.7(2020):24.
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