Results 1 to 10 of about 60,917 (227)

Features of olivine crystallization in ordinary chondrites (Saratov meteorite): geochemistry of trace and rare earth elements

Записки Горного института, 2022
The paper discusses the geochemistry of major (EPMA) and trace (SIMS) elements in olivine of porphyritic, nonporphyritic chondrules, and the matrix of equilibrated ordinary chondrite Saratov (L4).
Kristina G. Sukhanova, Anton B. Kuznetsov, Olga L. Galankina   +2 more
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EVALUATION OF THERMAL METAMORPHISM TEMPERATURE OF EQUILIBRATED ORDINARY CHONDRITES

Геодинамика и тектонофизика, 2022
The article provides an evaluation of thermal metamorphism temperatures on chondrite parent bodies using an olivine-Сr spinel geothermometer. To calculate temperatures, the results of EPMA analysis of the major and trace elements in olivine and Cr spinel
К. G. Sukhanova, A. B. Kuznetsov, S. G. Skublov, O. L. Galankina   +3 more
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«AIRES» SHARED RESEARCH FACILITIES (IPGG RAS, St. PETERSBURG): SCIENTIFIC EQUIPMENT, MAIN RESEARCH DIRECTIONS AND RESULTS

Геодинамика и тектонофизика, 2022
The "AIRES" Shared Research Facilities (SRF) is a high-tech laboratory complex based on the Institute of Precambrian Geology and Geochronology RAS (IPGG RAS, St. Petersburg).
A. B. Kuznetsov, T. S. Zaitseva, E. B. Salnikova   +2 more
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Fahlbands of the Keret archipelago, White Sea: the composition of rocks and minerals, ore mineralization

Записки Горного института, 2020
This paper presents a complex mineralogical and geochemical characteristic (based on SEM-EDS, ICP-MS analysis) of the fahlband rocks of the Kiv-Guba-Kartesh occurrence within the White Sea mobile belt (WSMB).
Laysan I. Salimgaraeva, Sergey G. Skublov, Aleksey V. Berezin, Olga L. Galankina   +3 more
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COMMENTS ON THE ARTICLE AUTHORED BY M.V. MINTS AND K.A. DOKUKINA – THE BELOMORIAN ECLOGITE PROVINCE (EASTERN FENNOSCANDIAN SHIELD, RUSSIA): MESO-NEOARCHEAN OR LATE PALEOPROTEROZOIC?

Геодинамика и тектонофизика, 2021
The comments are given on the article authored by M.V. Mints and K.A. Dokukina – The Belomorian Eclogite Province (Eastern Fennoscandian Shield, Russia): Meso-Neoarchean or Late Paleoproterozoic?
S. G. Skublov, A. V. Berezin, L. I. Salimgaraeva   +2 more
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Gold in biogenic apatites of the Baltic-Ladoga phosphorite basin

Записки Горного института, 2022
The distribution of gold in biogenic apatites from the Ordovician deposits in the northwest of the East European Platform shows that the maximum concentration of gold in apatites is found within the Ladoga-Baltic suture zone.
Sergey B. Felitsyn, Nadezhda A. Alfimova
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U-Pb age and trace elements composition of titanite from granites of Belokurikhinsky massif, Gorny Altai

Vestnik MGTU, 2021
As a result of isotope-geochemical study, the age data (U-Pb method, ID-TIMS) of titanite from the first phase granites of the Belokurikhinsky granite massif, Gorny Altai, were obtained for the first time. The concordant value of the titanite age of 255 ±
Skublov S. G., Mamykina M. E., Rizvanova N. G.   +2 more
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Composition of spherules and lower mantle minerals, isotopic and geochemical characteristics of zircon from volcaniclastic facies of the Mriya lamproite pipe

Записки Горного института, 2020
The article presents the results of studying the rocks of the pyroclastic facies of the Mriya lamproite pipe, located on the Priazovsky block of the Ukrainian shield.
Ivan G. YATSENKO, Sergey G. SKUBLOV, Ekaterina V. LEVASHOVA, Olga L. GALANKINA, Sergey N. BEKESHA   +4 more
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Geochemistry of Precambrian dyke swarms in the Singhbhum craton, India: Implications for recycled crustal components in the mantle source

Frontiers in Earth Science, 2023
The Singhbhum craton, eastern India records multiple stages of emplacement of Precambrian dyke swarms with contrasting petrogenetic models proposed for their formation.
M. P. Manu Prasanth, Kwan-Nang Pang, K. R. Hari, Bibhuti Bhusan Sahoo, Bibhuti Bhusan Sahoo, Arathy Ravindran, Arathy Ravindran, Yoshiyuki Iizuka   +7 more
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Garnetites from Marun-Keu eclogite complex (Polar Urals): geochemistry and the problem of genesis

Записки Горного института, 2023
A comprehensive mineralogical and geochemical characterization (XRF, ICP-MS, SEM-EDS, SIMS methods) of garnetites and their protoliths from the Marun-Keu complex (Polar Urals), one of the key objects in understanding the evolution of the Uralian Orogen ...
Laysan I. Salimgaraeva, Alexei V. Berezin   +1 more
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