Results 51 to 60 of about 666 (163)

Sc, Cr, Co, Ni, Th and rare earth elements systematics in black shales of Murav’inskaya and Velsovskaya formations (Lyapin-Kutim anticlinorium, the Northern Urals): to the provenance reconstructions

Литосфера, 2017
The features of the Sc, Cr, Co, Ni, Th and rare earth elements distribution in the black shales of the Riphean Murav’inskaya and Velsovskaya formations in southern part of the Lyapin-Kutim anticlinorium (Northern Ural) are analyzed.
Andrey V. Maslov, Georg A. Petrov, Yury L. Ronkin   +2 more
doaj   +1 more source

Sr-Nd Systematics and REE distribution in the type magnesite deposits in Lower Riphean of South Urals province

Литосфера, 2016
The geochemistry and REE of magnesite and host carbonate rocks of two Lower Riphean deposits of the South Urals province (Satka and Ismakaevo ore fields) confirm the metasomatic nature of the magnesite.
M. T. Krupenin, A. B. Kuznetsov, G. V. Konstantinova   +2 more
doaj   +2 more sources

U–Pb LA–ICP–MS Age of Detrital Zircons from the Lower Riphean and Upper Vendian Deposits of the Luga–Ladoga Monocline [PDF]

, 2018
The results of LA–ICP–MS U–Pb analyses of detrital zircons from the Precambrian deposits of Luga–Ladoga monocline are discussed. The age spectra of the zircons separated from the Riphean to Upper Vendian sandstones from the Shotkusa-1 well demonstrate ...
Худолей, Андрей Константинович
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Gabbro-peridotite sills of the Late Riphean Dovyren plutonic complex (northern Baikal area, Russia)

, 2018
We report data on the geology, mineralogy, petrography, and chemistry of 733 Ma gabbro-peridotite sills from the Late Riphean Dovyren plutonic complex.
D.A. Orsoev, R.A. Badmatsyrenova, E.A. Khromova, S.V. Kanakin, A.S. Mekhonoshin   +4 more
core   +1 more source

Seismogeological structure model of the Anabar-Olenek region

Georesursy
The velocity characteristics of the Upper Proterozoic-Phanerozoic sedimentary cover of the AnabarOlenek region were studied, in particular, the bimodal character of the distribution interval P-wave velocities was established.
I. A. Gubin, V. A. Kontorovich
doaj   +1 more source

Synrift deposits of the Middle Riphean Mashak Formation, Southern Urals (a short lithochemical characterization)

, 2018
The article briefly describes the lithochemical features of sandstones and clayey rocks of Mashak Formation (Southern Urals), a second synrift volcano-sedimentary association in Riphean stratotype.
Kovalev, Sergey G., Podkovyrov, Victor N., Kotova, Ludmila N., Gareev, Emir Z., Maslov, Andrey V.   +4 more
core   +1 more source

Plumes - a new word in Geology of the Urals

Литосфера, 2018
Subject. The ideas of plume tectonics became active and developing only several years later than the theory of plate tectonics. But in the Urals, the question of plume tectonics, contrary to plate tectonics, was not raised, with rare exceptions, until ...
Victor N Puchkov
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

Геодинамика 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, A. G. Vakhromeev, Z. L. Motova, A. V. Strunov, D. V. Mashenkin, V. V. Fomina, A. V. Plusnin   +6 more
doaj   +1 more source

Fragment of a central-type large structure located in southern Uganda and its metallogenic value

Известия высших учебных заведений: Геология и разведка, 2020
For the southern regions of Uganda, the metallogenic value of the regional arc belt of dikes of the main and ultrabasic composition was considered. It is shown that it is part of the arc sector of a large central-type structure with a diameter of about ...
P. A. Ignatov, A. A. Ivanov, A. V. Abramov, J. Kasigwa   +3 more
doaj   +1 more source

Paleomagnetism of the upper Riphean deposits in the Turukhansk and Olenek uplifts and Uda Pre-Sayan region and the neoproterozoic drift of the Siberian Platform [PDF]

, 2015
© 2015, Pleiades Publishing, Ltd. A series of new paleomagnetic results have been recently obtained for the Neoproterozoic of Siberia. Nevertheless, the Neoproterozoic segment of the Apparent Polar Wonder Path (APWP) for this craton and its ...
Shatsillo A., Petrov P., Pavlov V.
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