IGGCAS OpenIR  > 岩石圈演化国家重点实验室
Early growth of the Indian lithosphere: Implications from the assembly of the Dharwar Craton and adjacent granulite blocks, southern India
Ratheesh-Kumar, R. T.1,2; Windley, B. F.3; Xiao, W. J.4,5,6,7,8; Jia, X-L4,5; Mohanty, D. P.9; Zeba-Nezrin, F. K.1
2020
Source PublicationPRECAMBRIAN RESEARCH
ISSN0301-9268
Volume336Pages:28
AbstractThis study provides a new perspective into the Archean accretionary tectonic evolution of the Dharwar Craton and the adjacent high-grade granulite blocks of southern India. The necessary constraints for this tectonic assembly were derived using new petrochemical and zircon U-Pb age data from the granulite facies Biligiri Rangan Block (BRB), which occupies a central key position in the Archean collage of southern India. The BRB, composed largely of chamockites and mafic granulites, is a vestige of ca. 3400-3200 Ma cratonic fragment that was amalgamated with the Western Dharwar Craton (WDC) at ca. 2700-2500 Ma. The spatial variations in composition and evolution of the charnockites (i.e. low- and high-Sr/Y variants) are attributed to arc magmatic processes at different crust-mantle depths accompanied by a flat- or shallow-dipping subduction geometry. Different stages in the subduction processes such as exhumation and magma underplating (ca. 2800-2950 Ma), initial arc magmatism (ca. 2700-2650 Ma), and peak magmatism together with metamorphism (ca. 2700-2500 Ma) were identified from zircon age populations of different rock-types. Our new results integrated with all published geological and geophysical data lead to the conclusion that the Kollegal and Mettur Shear Zones on the western and eastern sides of the BRB respectively were sited on an east-dipping Archean suture and a closed back-arc basin. We propose a tectonic model for southern India according to which subduction-accretion of the Coorg Block in the Mesoarchean (ca. 3300-3100 Ma) and of the Nilgiri Block, Biligiri Rangan Block and the Eastern Dharwar Craton in the Neoarchean (ca. 2700-2500 Ma) led to closure of the Paleo-Dharwar Ocean and to terminal collision with the Western Dharwar Craton.
KeywordSubduction Arc magmatism Metamorphism Zircon geochronology Chamockite High-grade terrane
DOI10.1016/j.precamres.2019.105491
Funding OrganizationUGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (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 ; Key Research Program of Frontier Sciences of CAS ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (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 ; Key Research Program of Frontier Sciences of CAS ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (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 ; Key Research Program of Frontier Sciences of CAS ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (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 ; Key Research Program of Frontier Sciences of CAS
WOS KeywordPB ZIRCON GEOCHRONOLOGY ; CRUSTAL GROWTH ; CONTINENTAL GROWTH ; GREENSTONE-BELT ; VOLCANIC-ROCKS ; IGNEOUS CHARNOCKITES ; TECTONIC EVOLUTION ; GRANITES ADJACENT ; SUPERIOR PROVINCE ; RIDGE SUBDUCTION
Language英语
Funding ProjectUGC State Plan Grant (SMNRI project)[PL.(UGC)1/SPG/SMNRI/2018-2019] ; Chinese Academy of Sciences (CAS)[XDB18020203] ; Key Research Program of Frontier Sciences of CAS[QYZDJ-SSW-SYS012]
Funding OrganizationUGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (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 ; Key Research Program of Frontier Sciences of CAS ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (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 ; Key Research Program of Frontier Sciences of CAS ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (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 ; Key Research Program of Frontier Sciences of CAS ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; UGC State Plan Grant (SMNRI project) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (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 ; Key Research Program of Frontier Sciences of CAS
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000508748600007
PublisherELSEVIER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.iggcas.ac.cn/handle/132A11/95918
Collection岩石圈演化国家重点实验室
Corresponding AuthorRatheesh-Kumar, R. T.; Xiao, W. J.
Affiliation1.Cochin Univ Sci & Technol, Sch Marine Sci, Dept Marine Geol & Geophys, Kochi 682016, Kerala, India
2.Univ Kentucky, Dept Earth & Environm Sci, Lexington, KY 40506 USA
3.Univ Leicester, Dept Geol, Leicester LE1 7RH, Leics, England
4.Chinese Acad Sci, Xinjiang Res Ctr Mineral Resources, Xinjiang Inst Ecol & Geog, Urumqi 830011, Xinjiang, Peoples R China
5.Xinjiang Lab Mineral Resources & Digital Geol, Urumqi 830011, Xinjiang, Peoples R China
6.Chinese Acad Sci, Inst Geol & Geophys, State Key Lab Lithospher Evolut, POB 9825, Beijing 100029, Peoples R China
7.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
8.Univ Chinese Acad Sci, Dept Earth Sci, Beijing 100049, Peoples R China
9.Savitribai Phule Pune Univ, Dept Geol, Pune 411007, Maharashtra, India
Corresponding Author AffilicationInstitute of Geology and Geophysics, Chinese Academy of Sciences
Recommended Citation
GB/T 7714
Ratheesh-Kumar, R. T.,Windley, B. F.,Xiao, W. J.,et al. Early growth of the Indian lithosphere: Implications from the assembly of the Dharwar Craton and adjacent granulite blocks, southern India[J]. PRECAMBRIAN RESEARCH,2020,336:28.
APA Ratheesh-Kumar, R. T.,Windley, B. F.,Xiao, W. J.,Jia, X-L,Mohanty, D. P.,&Zeba-Nezrin, F. K..(2020).Early growth of the Indian lithosphere: Implications from the assembly of the Dharwar Craton and adjacent granulite blocks, southern India.PRECAMBRIAN RESEARCH,336,28.
MLA Ratheesh-Kumar, R. T.,et al."Early growth of the Indian lithosphere: Implications from the assembly of the Dharwar Craton and adjacent granulite blocks, southern India".PRECAMBRIAN RESEARCH 336(2020):28.
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