Zobrazeno 1 - 9 of 9 pro vyhledávání: '"O. V. Grakova"'
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Akademický článek
Morphology, Structure, and Composition of Zircon from Metasandstones of the Alkesvozhskaya Sequence (Polar Urals)
Autor: N. Yu. Nikulova, O. V. Grakova, V. B. Hubanov
Publikováno v: Vestnik Permskogo Universiteta: Seriâ Geologiâ, Vol 22, Iss 2, Pp 99-106 (2023)
Description of the features of morphology, internal structure, and analysis results of Th/U and Zr/Hf ratios in zircons from sandstones of the gold-bearing Alkesvozhskaya sequence, located at the basement of the Paleozoic section in the Subpolar Ural
Externí odkaz: https://doaj.org/article/ac64c9e8210e4a158b35ac2a34229182
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2
U-Pb (LA-SF-ICP-MS) dating and probable provenance of detrital zircons from terrigenous deposits of the Upper Precambrian of the Subpolar Urals
Autor: A. M. Pystin, O. V. Grakova, Yu. I. Pystina, E. V. Kushmanova, K. S. Popvasev, I. L. Potapov, V. B. Khubanov
Publikováno v: LITHOSPHERE (Russia). 22:741-760
Research subject. Upper Precambrian metaterrigenous deposits of the northern part of the Lyapinsky anticlinorium in the Subpolar Urals.Material and methods. From the metaterrigenous rocks of the Upper Precambrian section of different stratigraphic le
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::97bb34da5363aee8d03e70bfc5140b50
https://doi.org/10.24930/1681-9004-2022-22-6-741-760
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4
Provenance and U–Pb Age of Detrital Zircons from the Upper Proterozoic Deposits of the Polar Urals: To the Question of the Time of Formation of the Timan Passive Margin
Autor: Yu. I. Pystina, O. V. Grakova, A. M. Pystin, N. S. Ulyasheva
Publikováno v: Stratigraphy and Geological Correlation. 28:457-478
New petrogeochemical data and the first results of U–Pb dating of detrital zircons from terrigenous units of the Nyarovei series, which refers to the basal level of the Meso–Neoproterozoic sections of the Polar Urals, are presented. On the basis
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bf6cd3356176b97de853baf110d2b7dc
https://doi.org/10.1134/s0869593820050081
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5
U-Pb dating of detrital zircons from basal Post Paleoproterozoic metasediments in the Subpolar and Polar Urals: evidence for a Cryogenian, not Mesoproterozoic age
Autor: N. S. Ulyasheva, A. M. Pystin, Yu. I. Pystina, O. V. Grakova
Publikováno v: International Geology Review. 62:2189-2202
In the last ten years, U-Pb ages of detrital zircons has been obtained from Precambrian metasediments of some regions of Timan and the northern part of the Urals, which lie at the base of the visib...
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eadd79df012e758ac1d066c1a78ce430
https://doi.org/10.1080/00206814.2019.1689533
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6
The First Results of U–Pb LA-SF-ICP-MS Dating of Detrital Zircons from Middle Riphean(?) Terrigenous Deposits of the Polar Urals
Autor: Yu. I. Pystina, O. V. Grakova, A. M. Pystin, V. B. Khubanov, N. S. Ulyasheva
Publikováno v: Doklady Earth Sciences. 485:386-390
The first results of U-Pb LA-SF-ICP-MS-dating of detrital zircons from terrigenous deposits of the Miniseishor suite of the Nyarovei series of the Harbei anticlinorium of the Polar Urals are presented. The series has a presumably Middle Riphean age a
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::70690e08092fdb6cd6dd48e5540e8e9f
https://doi.org/10.1134/s1028334x19040081
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