Results 11 to 20 of about 109 (102)

Vendian age of igneous rocks of the Chamberlain valley area (Northern part of the Wedel Jarlsberg Land, Svalbard Archipelago)

Записки Горного института, 2022
The geological structure, structural relations with the underlying complexes, mineral composition, age and origin of sedimentary-volcanogenic and intrusive formations of the Chamberlain valley area (northern part of the Wedel Jarlsberg Land, Svalbard ...
Aleksandr N. Sirotkin, Aleksandr N. Evdokimov   +1 more
doaj   +1 more source

Clarks of concentration of some trace elements in Upper Riphean clay rocks OF Bashkirian meganticlinorium (South Urals)

Литосфера, 2018
The clarke of concentration of a number of rare and trace elements in clay rocks of the Karatau Group of the Upper Riphean of the Bashkirian meganticlinorium (South Urals) was analyzed.
Andrey V. Maslov
doaj   +1 more source

Structural peculiarities and geodynamic evolution of Taimyr Peninsula in the Neoproterozoic

Литосфера, 2018
Structural relationships between the Neoproterozoic rock complexes of a continental massif, island arc with rear reef and back-arc basin geodynamic affinities are described and considered in this work based on field observations within the northeastern ...
Sergei G. Samygin
doaj   +1 more source

Problems of the time of foundation and the tectonic evolution of the Onega — Kandalaksha paleorift in the light of the data of isotopic geochronology

Известия высших учебных заведений: Геология и разведка, 2018
Kandalaksha graben, located in the water-area of the White sea, is a part of the Onega-Kandalaksha paleorift of the Riphean time of foundation. It is filled with the terrigenous formations of the Terskaya suites ranging from 3 to 8 km by depth, while the
A. S. Baluev, S. Yu. Kolodyazhny, E. N. Terekhov, V. A. Lebedev, P. A. Serov   +4 more
doaj   +1 more source

GEOCHRONOLOGY AND SR-ND ISOTOPE GEOCHEMISTRY OF LATE PALEOZOIC COLLISIONAL GRANITOIDS OF UNDINSKY COMPLEX (EASTERN TRANSBAIKAL REGION)

Геодинамика и тектонофизика, 2017
There are several geodynamic models of the Central Asian Orogenic Belt (CAOB) development [Şengör et al., 1993, Zorin, 1999; Parfenov et al., 1999, 2003; Willem et al., 2012; and others].
S. I. Dril, Yu. V. Noskova, K.-L. Wang, V. A. Belyaev, S. Yu. Skuzovatov, D. A. Grigoriev, D. A. Belkov   +6 more
doaj   +1 more source

Deep Structure, Tectonics and Petroleum Potential of the Western Sector of the Russian Arctic

Journal of Marine Science and Engineering, 2021
The evolutionary-genetic method, whereby modern sedimentary basins are interpreted as end-products of a long geological evolution of a system of conjugate palaeo-basins, enables the assessment of the petroleum potential of the Western sector of the ...
Alexey S. Egorov, Oleg M. Prischepa, Yury V. Nefedov, Vladimir A. Kontorovich, Ilya Y. Vinokurov   +4 more
doaj   +1 more source

U-Pb (LA-ICP-MS) age of detrital zircons and the sources of terrigenous sediments of the Ipsit suite, Karagass series (Sayan segment of the Sayan-Baikal-Patom belt)

Геодинамика и тектонофизика, 2018
The petrographic, lithogeochemical and U-Pb (LA-ICP-MS) geochronological studies were carried out to investigate the terrigenous rocks sampled from the lower part of the Ipsit suite of the Karagass series (Sayan segment of the Sayan-Baikal-Patom belt ...
Z. L. Motova, T. V. Donskaya, D. P. Gladkochub, V. B. Khubanov   +3 more
doaj   +1 more source

Iso-Naakkima, a circular structure filled with Neoproterozoic sediments, Pieksämäki, southeastern Finland [PDF]

Bulletin of the Geological Society of Finland, 1993
A circular Bouguer gravity anomaly with a minimum of -4.0 mGal and half amplitude width of 2 km was recognized at Lake Iso-Naakkima (62°11'N, 27°09'E), southeastern Finland.
S. Elo, T. Kuivasaari, M. Lehtinen, O. Sarapää, A. Uutela   +4 more
doaj   +1 more source

Redox bottom-water conditions in Neoproterozoic basins on eastern and north-eastern periphery of East-European Platform

Литосфера, 2015
The redox bottom-water conditions in the sedimentary basins, which existed during the Late Riphean-Vendian on the east and north-east (in modern coordinates) margins of the Baltic, are investigated.
A. V. Maslov, V. N. Podkovyrov
doaj   +2 more sources

The crustal structure of Onega-Kandalaksha paleorift identified by complex analysis of the anomalous magnetic field of the White Sea

Геодинамика и тектонофизика, 2018
Geological and geophysical studies recently conducted in the White Sea and the adjacent territory have provided new data on the deep structure of this region.
A. S. Baluev, Yu. V. Brusilovsky, A. N. Ivanenko   +2 more
doaj   +1 more source