Results 41 to 50 of about 287 (153)

Vendian – Early Cambrian granites of the Krutorechensky complex (Northern Urals, Russia): protolith age, geodynamic conditions of generation and transformation

open access: yesГеодинамика и тектонофизика, 2019
The Main Uralian fault (MUF) zone is a suture at the junction of the Urals and the East European platform (EEP). Its complex tectonic melange is still poorly studied.
A. V. Korovko   +3 more
doaj   +1 more source

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

open access: yesGeoresursy
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   +9 more
doaj   +1 more source

Upconing of saline water from the crystalline basement into the Cambrian–Vendian aquifer system on the Kopli Peninsula, northern Estonia [PDF]

open access: yesEstonian Journal of Earth Sciences, 2010
The Cambrian–Vendian aquifer system is the most exploited groundwater resource in northern Estonia. As a result, the extensive use of groundwater has caused changes in the direction and velocity of groundwater flow in the Tallinn area.
Leo Vallner, Andres Marandi
doaj   +1 more source

Geology aspects, sedimentation environments and oil-and-gas bearing capacity of Vendian and Cambrian deposits of Lena-Tunguska basin

open access: yesGeoresursy
At present time several dozen hydrocarbon fields are known in the Vendian-Cambrian complex of the Lena-Tunguska basin, which clearly does not exhaust its potential.
N. I. Korobova   +5 more
doaj   +1 more source

FEATURES OF GEOLOGICAL STRUCTURE AND PROSPECTS OF OIL-AND-GAS BEARING CAPACITY OF THE RIPHEAN AND VENDIAN DEPOSITS IN THE SOUTHEASTERN PART OF THE KAMO ARCH OF THE BAYKIT ANTICLISE

open access: yesГеодинамика и тектонофизика
The paper presents the results of the integrated study of the features of geological structure of the southeastern Kamo arch of the Baikit anticlise. Use has been made of both already published and unpublished geological-geophysical data obtained through
V. A. Fomin   +6 more
doaj   +1 more source

Deep processes and magmatic activity of the Volyn-Podolian plate

open access: yesГеофизический журнал, 2010
Conditions of formation of basalts of the Volyn-Podolian plate (VPP) have been considered. In Vendian primary melts which were close by their composition to picritic gabbro were differentiated at the depth of 30-35 km during first two stages of ...
O. V. Usenko
doaj   +1 more source

THE EARLY PALEOZOIC BASITE MAGMATISM IN THE NORTHEASTERN SIBERIAN CRATON

open access: yesГеодинамика и тектонофизика, 2016
The Early Cambrian tectonomagmatic activation is manifested in the northeastern passive margin of the Siberian Craton within the area of the Olenek uplift, as well as in the Kharaulakh segment of the Verkhoyansk fold‐ thrust belt that was thrusted onto ...
A. I. Kiselev   +4 more
doaj   +1 more source

Assessment of the contribution of Precambrian deposits in forming the petroleum potential of the eastern part of the Volga-Urals basin using results of modeling

open access: yesЗаписки Горного института
Consideration is given to results of geochemical analysis of organic matter and oils of the Proterozoic (the RF-V complex) and the Paleozoic (the pay intervals D2, D3, C1-2) of the eastern part of the Volga-Urals petroleum basin.
Dmitrii D. Kozhanov, Mariya Bolshakova
doaj  

DETRITAL ZIRCONS FROM THE PRECAMBRIAN OF THE IGARKA UPLIFT (NORTHWESTERN SIBERIAN PLATFORM)

open access: yesГеодинамика и тектонофизика
Herein we report the results of LA-ICP-MS dating of detrital zircons from eight stratigraphic levels of the Proterozoic section of the Igarka uplift (northwestern Siberian Platform).
B. B. Kochnev   +5 more
doaj   +1 more source

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