Zobrazeno 1 - 10
of 57
pro vyhledávání: '"I. M. Vasil'eva"'
Autor:
I. M. Gorokhov, A. B. Kuznetsov, I. M. Vasil’eva, G. V. Konstantinova, E. O. Dubinina, G. V. Lipenkov, N. G. Rizvanova
Publikováno v:
Stratigraphy and Geological Correlation. 30:201-227
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d9133fb7b0a22aabc7abd7fec78a36ff
https://doi.org/10.1134/s0869593822040049
https://doi.org/10.1134/s0869593822040049
Autor:
Igor M. Gorokhov, G. V. Lipenkov, I. M. Vasil’eva, M. A. Semikhatov, E. O. Dubinina, A. B. Kuznetsov, N. G. Rizvanova
Publikováno v:
Stratigraphy and Geological Correlation. 27:514-528
The U and Pb contents and C, O, and Pb isotopic compositions are determined for dolomites of the Billyakh Group (6 and 15 samples of the Kotuikan and Yusmastakh formations, respectively), which composes the upper part of the Riphean section of the An
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::208b640f6bb9b001af287020cb7cf021
https://doi.org/10.1134/s0869593819050022
https://doi.org/10.1134/s0869593819050022
Autor:
T. L. Turchenko, V. P. Kovach, Igor M. Gorokhov, T. S. Zaitseva, I. M. Vasil’eva, G. V. Ovchinnikova, G. V. Konstantinova, M. M. Arakelyants, A. B. Kuznetsov
Publikováno v:
Стратиграфия. 27:3-30
The 2–5, 0.6–2, 0.3–0.6, 0.2–0.3 and 0.1–0.2 µm clay subfractions (SFs) separated from two shale samples of the Upper Riphean Inzer Formation, the southern Urals, were studied by the TEM, XRD, and U–Pb, Sm–Nd, Rb–Sr and K–Ar isotop
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a5ccfb1114146b5435f89b891ca0cc27
https://doi.org/10.31857/s0869-592x2723-30
https://doi.org/10.31857/s0869-592x2723-30
Autor:
A. B. Kuznetsov, G. V. Konstantinova, M. M. Arakelyants, I. M. Vasil’eva, T. S. Zaitseva, V. P. Kovach, Igor M. Gorokhov, G. V. Ovchinnikova, T. L. Turchenko
Publikováno v:
Stratigraphy and Geological Correlation. 27:133-158
Clay subfractions (SFs) with particles size of 2–5, 0.6–2.0, 0.3–0.6, 0.2–0.3, and 0.1–0.2 μm of two shale samples (Upper Riphean Inzer Formation, South Urals) are studied using transmission electron microscopy, X-ray diffractometry (XRD),
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::39d9de1aea94936acb7441042a7dc697
https://doi.org/10.1134/s0869593819020035
https://doi.org/10.1134/s0869593819020035
Autor:
Kuo-Lung Wang, I. M. Vasil’eva, N. A. Sergeeva, G. V. Ovchinnikova, S. D. Velikoslavinskii, V. P. Kovach, A. B. Kotov, A. A. Sorokin, A. M. Larin, S.-L. Chun, N. N. Mel’nikov, E. B. Sal’nikova, V. M. Savatenkov
Publikováno v:
Petrology. 26:447-468
The geochemistry, geochronology, and isotope geochemical systematics (Nd, Sr, Hf, and Pb) of the granitoids of the Pozdnestanovoy complex of the Dzhugdzhur–Stanovoy superterrane of the Central Asia fold belt were investigated. It was shown that the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::75b9fbb94dd1bec47238bc55e24fc586
https://doi.org/10.1134/s0869591118050041
https://doi.org/10.1134/s0869591118050041
Publikováno v:
Doklady Earth Sciences. 481:1040-1044
For the first time, the age of magnesite in the Lower Riphean Bakal Formation of the Southern Urals is determined by the U—Pb (Pb—Pb) method: it is equal to 1366 ± 47 Ma (MSWD = 18). The stage of magnesite formation of the Bakal ore field was as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fe67117de67ffb8cdf9ab2a23225e44c
https://doi.org/10.1134/s1028334x18080184
https://doi.org/10.1134/s1028334x18080184
Autor:
Sh. K. Baltybaev, I. M. Vasil’eva, N. G. Risvanova, V. A. Glebovitskii, I. A. Alekseev, G. V. Ovchinnikova
Publikováno v:
Doklady Earth Sciences. 476:992-996
We have studied Pb isotopic systems of K-feldspar, pyrite, and pyrrhotine from gabbroids and ore of the Velimyaki Early Proterozoic massif in the northern Ladoga region in the southeastern part of the Fennoscandian Shield. The isochronous Pb–Pb age
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a99077402004566513e49b4374196425
https://doi.org/10.1134/s1028334x17090112
https://doi.org/10.1134/s1028334x17090112
Publikováno v:
Doklady Earth Sciences. 468:541-544
The isotopic–geochemical features of late and postorogenic granites of the S type and ambient migmatites are studied within the Russian part of the Svecofennian orogen of the Fennoscandinavian Shield. The spatial association of leucosomes of migmat
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c37f63c3ae7c30ea97e83d79f787b73c
https://doi.org/10.1134/s1028334x16060015
https://doi.org/10.1134/s1028334x16060015
Autor:
A. B. Kuznetsov, B. M. Gorokhovskii, G. V. Ovchinnikova, I. M. Vasil’eva, M. T. Krupenin, Igor M. Gorokhov, A. V. Maslov
Publikováno v:
Doklady Earth Sciences. 451:798-802
The Pb-Pb age of phosphorite concretions of the Zigaza-Komarovo Formation, which composes the intermediate horizons of the Riphean stratotype of the South Urals, was determined in fractions resulting from the stepwise dissolution of concretions in 0.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::119474ff1deaa4294c56a7a48284aaf7
https://doi.org/10.1134/s1028334x13080047
https://doi.org/10.1134/s1028334x13080047
Autor:
I. M. Vasil’eva, B. M. Gorokhovskii, Igor M. Gorokhov, A. B. Kuznetsov, G. V. Ovchinnikova, E. F. Letnikova
Publikováno v:
Stratigraphy and Geological Correlation. 20:516-527
The U-Pb and Pb-Pb methods were used for determining age of cap limestones from the Neoproterozoic Tsagaan Oloom Formation corresponding to the lower part of the sedimentary cover in the Dzabkahn microcontinent of Central Asia. The weighted average a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebc60f5fb713de2a7e19ea329d05c8a4
https://doi.org/10.1134/s0869593812060056
https://doi.org/10.1134/s0869593812060056