Results 31 to 40 of about 1,083 (190)

Geodynamic significance of the Mesoproterozoic magmatism of the Udzha Paleo-Rift (Northern Siberian Craton) based on U-Pb geochronology and paleomagnetic data [PDF]

, 2018
The emplacement age of the Great Udzha Dyke (northern Siberian Craton) was determined by the U-Pb dating of apatite using laser ablation inductively coupled plasma mass spectrometry (LA-ICPMS). This produced an age of 1386 ± 30 Ma.
Vadim Kamenetsky (14740705), Pasenko, AM (15683870), Sebastien Meffre (14744152), Malyshev, SV (15683867), Ivanov, AV (15512471), Savatenkov, VM (15683876), Gladkochub, DP (15683873), Abersteiner, A (15656459), Shcherbakov, VD (15683879)   +8 more
core   +2 more sources

Thermobarometry of diamond inclusions: Mantle structure and evolution beneath Archean cratons and mobile belts worldwide

Geosystems and Geoenvironment, 2023
Thermobarometric calculations for mineral inclusions in diamonds provide a systematic comparison of P-T-fO2 conditions for different cratons and mobile belts worldwide, using a database of 4440 mineral EPMA analyses.
Igor Ashchepkov, Alla Logvinova, Zdislav Spetsius, Hilary Downes   +3 more
doaj   +1 more source

LATE CENOZOIC VOLCANISM OF THE UDA RIVER AREA (EASTERN SAYAN, SIBERIA): THE FIRST GEOCHEMICAL AND ISOTOPIC DATA

Геодинамика и тектонофизика, 2017
Volcanic eruptions within the Baikal rift of predominantly basaltic composition belong to numerous small-volume eruptions, which took place in Cenozoic in Central Asia.
E. I. Demonterova, A. V. Ivanov, A. B. Perepelov   +2 more
doaj   +1 more source

Provenance, Age, and Tectonic Settings of Rock Complexes (Transangarian Yenisey Ridge, East Siberia): Geochemical and Geochronological Evidence

Geosciences, 2022
The tectonic evolution of the Siberian Cratonic margins offers important clues for global paleogeographic reconstructions, particularly with regard to the complex geological history of Central Asia and Precambrian supercontinents Columbia/Nuna and ...
Igor I. Likhanov
doaj   +1 more source

THE DEEP STRUCTURE AND PALEOGEODYNAMICS OF SIBERIA AND CENTRAL ASIA IN STUDIES OF THE INSTITUTE OF THE EARTH’S CRUST, SB RAS (2009–2013)

Геодинамика и тектонофизика, 2015
The deep structure and paleogeodynamics of the Siberian craton and the Central Asian folded belt are studied by two specialized laboratories of the Institute of the Earth’s Crust, SB RAS – the Laboratory of Complex Geophysics and the Laboratory of ...
D. P. Gladkochub, E. Kh. Turutanov
doaj   +1 more source

AGE CONSTRAINTS AND SOURCE AREAS FOR THE PRECAMBRIAN TO CAMBRIAN STRATA OF THE SOUTHERN YENISEI RIDGE (REDKOLESNAYA AND OSTROVNOY FORMATIONS)

Геодинамика и тектонофизика, 2023
The Precambrian to Cambrian strata at the southwestern margin of the Siberian Platform are ubiquitously characterized by a gradual transition from red-colored alluvial and deltaic deposits to shallow-marine carbonates, reflecting a transgressive infill ...
V. V. Marusin, B. B. Kochnev, G. A. Karlova, A. I. Proshenkin   +3 more
doaj   +1 more source

Precambrian diamond crystals from the Siberian craton

Доклады Академии наук, 2019
Analysis of diamond grains from placers in the northeastern Siberian craton shows that some diamond varieties (round dodecahedra, varieties II and V-VII in the classification of Orlov) may originate from Precambrian sources. The Precambrian diamonds have different sedimentation histories.
V. P. Afanasiev, N. P. Pokhilenko, E. O. Egorova, E. S. Leendenblot   +3 more
openaire   +2 more sources

Palaeozoic orogeneses around the Siberian craton: Structure and evolution of the Patom belt and foredeep

, 2009
International audienceThis paper sheds light on the evolution of the Patom belt. This mountain range draws an arc along the southeastern edge of the Siberian craton.
Fournier, Marc, Anasimova, Svetlana, A., Ringenbach, Jean-Claude, Petit, Carole, Kovalenko, Sergei, N., San'Kov, Vladimir, A., de Boisgrollier, Thomas, Leturmy, P.   +7 more
core   +1 more source

Kyanite-bearing eclogite xenoliths from the Udachnaya kimberlite, Siberian craton, Russia [PDF]

BSGF - Earth Sciences Bulletin, 2017
Xenoliths brought up by kimberlite magmas are rare samples of otherwise inaccessible lithospheric mantle. Eclogite xenoliths are found in most cratons and commonly show a range of mineral and chemical compositions that can be used to better understand ...
Radu Ioana-Bogdana, Moine Bertrand, Ionov Dmitri, Korsakov Andrey, Golovin Alexander, Mikhailenko Denis, Cottin Jean-Yves   +6 more
doaj   +1 more source

Lost in interpretation: Facts and misconceptions about the mantle of the Siberian craton. A comment on: "Composition of the lithospheric mantle in the northern part of Siberian craton: Constraints from peridotites in the Obnazhennaya kimberlite" by Sun et al. (2017) Discussion [PDF]

, 2018
International audienceSun et al. (2017) reported petrographic, chemical and Os isotope data on eleven mantle xenoliths from the Obnazhennaya kimberlite and claimed that their results enable them to establish “the character of the lithospheric mantle ...
Alexander V. Golovin, Ionov, Dmitri A., Oleinikov, Oleg B., Dmitri A. Ionov, Oleinikov, O.B., Carlson, Richard Walter, Ionov, D.A., Doucet, Luc Serge, Doucet, Luc, Carlson, Richard W., Richard W. Carlson, Ionov, Dmitri, Ionov, Dimitri, Golovin, A.V., Oleg B. Oleinikov, Carlson, R.W., Luc S. Doucet, Golovin, Alexander, Oleinikov, Oleg O.B., Golovin, Alexander V., Doucet, Luc S.   +20 more
core   +1 more source