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dc.contributor.authorChaudhuri, A.
dc.contributor.authorDas, K.
dc.contributor.authorBanerjee, S.
dc.contributor.authorFitzsimons, Ian
dc.date.accessioned2021-07-01T15:32:22Z
dc.date.available2021-07-01T15:32:22Z
dc.date.issued2020
dc.identifier.citationChaudhuri, A. and Das, K. and Banerjee, S. and Fitzsimons, I.C.W. 2020. Detrital zircon and monazite track the source of Mesozoic sediments in Kutch to rocks of Late Neoproterozoic and Early Palaeozoic orogenies in northern India. Gondwana Research. 80: pp. 188-201.
dc.identifier.urihttp://hdl.handle.net/20.500.11937/84216
dc.identifier.doi10.1016/j.gr.2019.10.015
dc.description.abstract

Detrital zircon and monazite dating of clastic rocks in the Mesozoic Kutch Basin at the western continental margin of India reveals predominant sediment derivation from rocks of Neoproterozoic Pan-African orogeny, followed by those of Cambro-Ordovician Bhimphedian (or Kurgiakh) orogeny and 850–1000 Ma rocks, with subordinate input from rocks of 700–800 Ma, 1500–1600 Ma, 2400–2500 Ma and 2800–3300 Ma. This finding refutes the existing idea regarding the predominant Mesoproterozoic source inferred for this basin. The dominance of southwesterly palaeocurrent data of Mesozoic rocks in Kutch Basin rules out sediment supply from south or west. Th/U ratios of detrital zircon grains indicate predominantly magmatic and subordinately metamorphic source rock. Petrographic data, particularly the QFR plot supports this interpretation of source rock. Rocks belonging to the Pan-African orogeny are poorly exposed in northwestern India while isolated outcrops of peralkaline granites in the Himalayan region bear testimony of the Bhimphedian orogeny. While the paucity of records of the Pan-African orogeny in western India possibly relates to either burial under the Deccan Flood Basalts or extensive erosion during Mesozoic greenhouse climate, the dearth of rocks of Bhimphedian orogeny results from its occurrence along the present-day Himalayan thrust belt. The absence of detrital zircon grains younger than 458 Ma indicates that post-Ordovician tectono-thermal events skipped the source area. The large gap between youngest detrital zircon and the depositional age of the Mesozoic sediments, suggests long-distance sediment transport as well as sediment recycling. This study, therefore, indicates the existence of widespread younger magmatic rocks to the north during the deposition of Mesozoic of Kutch.

dc.languageEnglish
dc.publisherELSEVIER
dc.subjectScience & Technology
dc.subjectPhysical Sciences
dc.subjectGeosciences, Multidisciplinary
dc.subjectGeology
dc.subjectDetrital zircon geochronology
dc.subjectU-Pb dating
dc.subjectU-Th-total Pb monazite
dc.subjectPan-African orogeny
dc.subjectBhimphedian orogeny
dc.subjectKutch Basin
dc.subjectJURASSIC JHURAN FORMATION
dc.subjectEAST EUROPEAN CRATON
dc.subjectU-PB AGES
dc.subjectGEOCHRONOLOGICAL CONSTRAINTS
dc.subjectCOMPOSITIONAL EVOLUTION
dc.subjectSOUTHWEST RAJASTHAN
dc.subjectCRUSTAL EVOLUTION
dc.subjectARAVALLI CRATON
dc.subjectGRANITIC-ROCKS
dc.subjectWESTERN INDIA
dc.titleDetrital zircon and monazite track the source of Mesozoic sediments in Kutch to rocks of Late Neoproterozoic and Early Palaeozoic orogenies in northern India
dc.typeJournal Article
dcterms.source.volume80
dcterms.source.startPage188
dcterms.source.endPage201
dcterms.source.issn1342-937X
dcterms.source.titleGondwana Research
dc.date.updated2021-07-01T15:32:20Z
curtin.departmentSchool of Earth and Planetary Sciences (EPS)
curtin.accessStatusFulltext not available
curtin.facultyFaculty of Science and Engineering
curtin.contributor.orcidFitzsimons, Ian [0000-0002-8907-7455]
curtin.contributor.researcheridFitzsimons, Ian [A-3707-2012]
dcterms.source.eissn1878-0571
curtin.contributor.scopusauthoridFitzsimons, Ian [6701336823]
dc.date.embargoEnd2021-12-06


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