Nature and Age of Detrital Zircons from Rocks of the Shear Zone: The Problem of Occurrence of the Archean Basement in the Transangarian Yenisei Ridge

Petrogeochemical and geochronological study of boudined quartzite sandstones and tonalites, as well as host amphibolites, in the shear zone showed that potential sources of detrital zircons were Neoarchean–Paleoproterozoic rocks of the Angara–Kan block and products of their metamorphism. Interpretat...

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Bibliographic Details
Published in:Doklady earth sciences 2018-05, Vol.480 (1), p.568-572
Main Authors: Likhanov, I. I., Kozlov, P. S., Reverdatto, V. V., Popov, N. V.
Format: Article
Language:English
Subjects:
Amphibolites
Cratons
Earth and Environmental Science
Earth Sciences
Geochronology
Geology
Isotopes
Metamorphic rocks
Metamorphism
Metamorphism (Geology)
Precambrian
Quartzite
Radiometric dating
Rock
Rocks
Sandstone
Shear zone
Zirconium
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Summary:Petrogeochemical and geochronological study of boudined quartzite sandstones and tonalites, as well as host amphibolites, in the shear zone showed that potential sources of detrital zircons were Neoarchean–Paleoproterozoic rocks of the Angara–Kan block and products of their metamorphism. Interpretation of the available data does not confirm the inferred presence of the Early Precambrian basement of the Siberian Craton in the Transangara region.
ISSN:1028-334X
1531-8354
DOI:10.1134/S1028334X18050161