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Sandstone provenance analysis in Longyan supports the existence of a Late Paleozoic continental arc in South China
Li, Chao1,2; Hu, Xiumian1; Wang, Jiangang3; Vermeesch, Pieter4; Garzanti, Eduardo5
2020-04-05
Source PublicationTECTONOPHYSICS
ISSN0040-1951
Volume780Pages:11
AbstractBecause of the limited magmatic and metamorphic record, the Late Paleozoic tectonic setting in South China remains controversial. This paper presents sedimentologic data and provenance analysis of Upper Paleozoic sandstones in Longyan, which are rich in quartz (73-90%) and poor in lithic fragments (2-12%) and feldspar (3-25%). Devonian sandstones contain mostly metamorphic lithic fragments (e.g., quartzite), whereas Carboniferous-Permian sandstones contain mostly felsic volcanic and subvolcanic lithic fragments indicating provenance from felsic volcanic rocks. Detrital zircon U-Pb age spectra of Devonian-Carboniferous sandstones display modes at similar to 440 Ma and 420-380 Ma, with subordinate Mesoproterozoic age components, pointing at the Nanling terrane and the western-middle part of the Wuyi terrane as most likely ultimate sediment sources. Permian sandstones inherited the age components mentioned above, but also include peaks at similar to 290 Ma and similar to 1850 Ma. The similar to 290 Ma component corresponds to the age of Late Paleozoic magmatism in southeastern China and southwest Japan. Numerous detrital zircons aged at 350-250 Ma also occur in Permo-Triassic strata exposed across South China and southwest Japan. Based on regional data and on the ages and Hf isotope signatures of detrital zircon, we infer that a Late Paleozoic continental arc existed in the coastal area of southeastern China and contributed detritus to the adjacent sedimentary basins. The Permo-Triassic igneous rocks locally exposed in the area may represent the remnant of that continental arc. Arc growth may have been responsible for the westward retreat of a broad Upper Paleozoic carbonate platform.
KeywordSouth China Late Paleozoic Sedimentary provenance Tectonic setting Continental arc Carbonate platform
DOI10.1016/j.tecto.2020.228400
Funding OrganizationChina National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project
WOS KeywordDETRITAL ZIRCON GEOCHRONOLOGY ; INTEGRATIVE STRATIGRAPHY ; CATHAYSIA BLOCK ; SOUTHEASTERN CHINA ; AGE ; CONSTRAINTS ; SUBDUCTION ; TIMESCALE ; EVENTS ; ROCKS
Language英语
Funding ProjectChina National Key Research and Development Plan Project[2017YFC0601405]
Funding OrganizationChina National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project ; China National Key Research and Development Plan Project
WOS Research AreaGeochemistry & Geophysics
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000527366300005
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95554
Collection岩石圈演化国家重点实验室
Corresponding AuthorHu, Xiumian
Affiliation1.Nanjing Univ, Sch Earth Sci & Engn, State Key Lab Mineral Deposit Res, Nanjing 210023, Peoples R China
2.Chengdu Univ Technol, Inst Sedimentary Geol, State Key Lab Oil & Gas Reservoir Geol & Exploita, Chengdu 610059, Peoples R China
3.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, Beijing 100029, Peoples R China
4.UCL, London Geochronol Ctr, London WC1E 6BT, England
5.Univ Milano Bicocca, Dept Earth & Environm Sci, I-20126 Milan, Italy
Recommended Citation
GB/T 7714
Li, Chao,Hu, Xiumian,Wang, Jiangang,et al. Sandstone provenance analysis in Longyan supports the existence of a Late Paleozoic continental arc in South China[J]. TECTONOPHYSICS,2020,780:11.
APA Li, Chao,Hu, Xiumian,Wang, Jiangang,Vermeesch, Pieter,&Garzanti, Eduardo.(2020).Sandstone provenance analysis in Longyan supports the existence of a Late Paleozoic continental arc in South China.TECTONOPHYSICS,780,11.
MLA Li, Chao,et al."Sandstone provenance analysis in Longyan supports the existence of a Late Paleozoic continental arc in South China".TECTONOPHYSICS 780(2020):11.
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