Results 31 to 40 of about 109 (102)

BOUNDARY BETWEEN THE TIMANIAN AND URALIAN TECTONIC CYCLES: RESULTS OF DATING OF DETRITAL ZIRCONS FROM BASAL HORIZONS OF THE LOWER PALEOZOIC SYNRIFT COMPLEX OF THE POLAR URALS, AND IGNEOUS ROCK AGE DATA REPORT

Геодинамика и тектонофизика
The Upper Cambrian-Lower Ordovician terrigenous strata, unconformably overlying the Upper Riphean-Vendian rocks of the Timanide orogen in the north of the Urals, and contemporaneous bimodal volcanics and intrusive rocks are considered complexes marking ...
A. A. Soboleva, N. Yu. Nikulova, V. B. Khubanov   +2 more
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Temporal sequence of geodynamic development processes in the territory of Ukraine from the Eoarchean to Anthropogen

Геофизический журнал, 2017
Survey data of geodynamic studies, completed during the latest 20 years in Ukraine for most of its regions, have been generalized in order to summarize the results of regional studies into geo-historical line from Eoarchean to Anthropogen.
O.B. Gintov
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Mineralogy and metabasites formation conditions from ophiolite association at northern slope of Kuznetsk Alatau

Литосфера, 2017
The ophiolites of the northern slope of the Kuznetsk-Alatau Ridge are the most representative fragments of the sub-oceanic crust in the region. In this article, we present the results of a study of the metabasites from ophiolite paragenesis of the ...
N. A. Dugarova, P. A. Tishin, I. F. Gertner, T. S. Krasnova   +3 more
doaj   +1 more source

TECTONOPHYSICAL EVIDENCES OF GEODYNAMIC EVOLUTION OF THE PRIKOLYMA TERRAIN (NORTH-EASTERN REGIONS OF RUSSIA)

Геодинамика и тектонофизика, 2015
The Prikolyma terrain is a part of the Yana-Kolyma orogenic belt located in the North Eastern Asia. It is generally composed of the Proterozoic deposits, including sandstones, metapellites, quartz-feldspar and carbonate rocks, meta- and hyperbasites. The
Anton N. Glukhov, Andrey S. Gladkov, Denis A. Koshkarev, Oksana V. Lunina   +3 more
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LITHOGEOCHEMICAL CHARACTERISTICS OF TERRIGENOUS AND VOLCANOGENIC-TERRIGENOUS ROCKS OF THE LATE PALEOZOIC TOCHER FORMATION OF THE BAGDARIN SYNFORM (WESTERN TRANSBAIKALIA)

Геодинамика и тектонофизика
The paper presents new data on the composition of Late Paleozoic terrigenous and volcanogenic-terrigenous rocks of the Upper Devonian-Lower Carboniferous Tocher formation of the Bagdarin synform (Western Transbaikalia).
V. S. Tashlykov, O. R. Minina, Z. L. Motova, N. A. Doronina, S. I. Shtel’makh   +4 more
doaj   +1 more source

Geochemical characteristics of weathering crusts on the Dzhezhimparma Ridge and the Nemskaya Upland (South Timan)

Записки Горного института
Numerous local varieties of weathering crusts are known in the South Timan. They differ in their position in the section, type of weathering products, substrates, and occurrence. The aim of the research is to identify patterns in the distribution of rock-
Oksana V. Grakova, Nataliya Yu. Nikulova, Yuliya S. Simakova   +2 more
doaj  

THE RESULTS OF THE U/PB DATING OF DETRITAL ZIRCONS FROM THE PRECAMBRIAN AND PALEOZOIC SANDSTONES OF THE WESTERN PART OF BASHKIR UPLIFTS (THE SOUTHERN URALS)

RUDN Journal of Engineering Research, 2015
There are the results of U-Pb dating of detrital zircons from the sandstones of the Bashkir uplift of the Southern Urals and the analysis of U-Pb-isotopic ages of detrital zircons from the six stratigraphic levels of the Riphean-Paleozoic section in the ...
E S Pyzhova
doaj  

Detrital zircons from Lower Triassic sandstones, Belsky depression, Pre-Uralian foredeep: LA-ICP-MS U-Pb isotopic ages and distribution of rare and trace elements

Литосфера, 2016
Lower Triassic sandstones in the southern part of Belsky depression (Pre-Uralian foredeep) contain detrital zircons with concordant U-Pb isotopic ages ranging from Neoarchean to the boundary of the Carboniferous and Permian.
A. V. Maslov, G. A. Mizens, G. M. Vovna, V. I. Kiselev, Yu. L. Ronkin   +4 more
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Ways of increasing efficiency of diamondieferous kimberlites prospecting (on the example of the Siberian platform)

Мінеральні ресурси України, 2015
Carried out analysis of the material on diamondiferousness of the Siberian platform allows affirming that in spite of the large volume of the obtained for more than half a century period actual material there is a number of problem issues decision of ...
M. M. Zinchuk
doaj  

Results of Studying the Material Composition and U-Pb (LA-ICP-MS) Age of Detrital Zircons From Terrigenous Rocks of the Vanavara and Oskobinskaya Formations of the Kamov Arch of the Baikit Antelise

Georesursy
The paper presents the results of studies on sandstones from the Vanavara and Oskobinskaya formations, which are part of the Nepa and Torskiy regional stratigraphic horizons, respectively. These formations were studied using the core from the Yur-92 deep
A. V. Plusnin, Z. L. Motova, I. V. Afonin, E. M. Tomilina, D. A. Staroselets, E. E. Belozerov, I. R. Khalikov, M. V. Shaldybin, I. A. Yashin, V. A. Fomin   +9 more
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