Sedimentary complexes of the cover of the Dzabkhan continental block: Different sedimentary basins and source areas

U–Pb dating of detrital zircons from the sandstones of the Mamakan Formation has been made. Geochemical and isotope parameters of the carbonate deposits of the Yanguda Formation in the Vendian–Cambrian cover of the North Muya continental block have been estimated. It has been established that only the Neoproterozoic (630–915 Ma) rocks of the North Muya block were the provenances of terrigenous material. In the least altered carbonate rocks of the Yanguda Formation, the 87Sr/86Sr ratio is within 0.70814–0.70879 and δ13C varies from –0.4 to + 1.9‰. Comparison of the evaluated isotope parameters with those of carbonate rocks of typical Vendian–Cambrian sections shows that the carbonate deposits of the Yanguda Formation accumulated in the Early Cambrian, about 520 Ma. Sedimentation of the Mamakan and Yanguda Formations took place in the local sedimentary basin in the Vendian–Early Cambrian, in the absence of tectonic activity within the North Muya block. Detrital material that formed during the destruction of the rocks of the Siberian Platform basement and cover was not supplied into the basin.

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Isotope stratigraphy and U–Pb dating of detrital zircons from the Vendian–Cambrian deposits of the North Muya block

Vishnevskaya

Летникова

Kanygina

et al. 2018

Russian Geology and Geophysics

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Precambrian Terranes of the Central Asian Orogenic Belt: Comparative Characteristics, Types, and Peculiarities of Tectonic Evolution

Yarmolyuk

Degtyarev

2019

Geotecton.

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Age and Sources of Terrigenous Rocks of Basal Formation of the Tsagaan-Olom Group of the Dzabkhan Terrane: Results of U–Th–Pb Geochronological, Lu–Hf and Sm–Nd Isotopic Studies

Ковач

Козаков

Wang

et al. 2019

Stratigr. Geol. Correl.

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Sedimentary complexes of the cover of the Dzabkhan continental block: Different sedimentary basins and source areas

Cited by 5 publications

References 9 publications

Isotope stratigraphy and U–Pb dating of detrital zircons from the Vendian–Cambrian deposits of the North Muya block

Isotope stratigraphy and U–Pb dating of detrital zircons from the Vendian–Cambrian deposits of the North Muya block

Precambrian Terranes of the Central Asian Orogenic Belt: Comparative Characteristics, Types, and Peculiarities of Tectonic Evolution

Age and Sources of Terrigenous Rocks of Basal Formation of the Tsagaan-Olom Group of the Dzabkhan Terrane: Results of U–Th–Pb Geochronological, Lu–Hf and Sm–Nd Isotopic Studies

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