Results 1 to 10 of about 24 (21)
Mal'javr – the first gold prospect in the Archean conglomerates, the Kola region
Vestnik MGTU, 2023 A new type of prospects of gold mineralization in the Kola region is considered in the paper. The Mal'javr prospect is located in the south-western flank of the Uragubsky greenstone belt in biotite gneiss – the metamorphosed sedimentary rocks with ...
Kalinin A. A. +2 more
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Transactions of the Karelian Research Centre of the Russian Academy of Sciences, 2020 Archean metavolcanics from the Mauranipur Structure of the Central Bundelkhand greenstone complex have been subjected to three stages of metamorphism and metasomatism: 1) amphibolite-facies metamorphism (~2.7 Ga), 2) retrograde metamorphism and ...
Олег Станиславович Сибелев +1 more
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Sandyites and rocks of monzonite composition of the Ilmenogorsk miaskit massive (the Southern Urals)
Литосфера, 2017 The results of study of rocks of the Ilmenogorsk miaskite block - mylonitized miaskites, “sandyites” and monzonitic rocks, which were found for the first time, are presented in the paper.
B. Nemov Andrey +2 more
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Metasomatites of medium and mafic composition from Nyaschevo massif (Ilmeny Mauntains, South Urals)
Литосфера, 2015 The results of the study of mediosiliceous and mafic metasomatites located in ultramafic and mafic rocks Nyaschevo massif presents in the paper. The texthural and structural features of these rocks allow to attribute them to tectonites - protomylonites and
E. V. Medvedeva +2 more
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The influence of material compositions on forming the structure of building composites
Вестник СибАДИ, 2017 There is carried out an analysis of structure formation’s influence during solidification of cements. There is shown a role of composition and properties of cements on forming the structural parameters of cement stone, which determine its performance ...
V. S. Lesovik, I. L. Chulkova
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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 +2 more
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Литосфера, 2016 Xenoliths in the Early Cretaceous alkali basalts of Makhtesh Ramon basin (southern Israel) are represented by essentially olivine rocks: dunite (usually including clinopyroxen) - 5% of the total amount, lherzolite - 21%, wehrlite - 28%, clinopyroxenite -
G. B. Fershtater +2 more
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Литосфера, 2019 Рассмотрены особенности магнезиального метасоматоза на месторождениях кристаллического магнезита различных групп Южно-Уральской провинции с использованием микроанализа на растровом электронном микроскопе и установлены различия в механизме кристаллизации ...
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Мінералізатори в урановорудних альбітитах Українського щита
Доповiдi Нацiональної академiї наук УкраїниВперше для уранових родовищ альбітитової формації Українського щита вивчені головні мінералізатори складної урановорудної системи, що дає можливість використовувати генетичні методи її дослідження.
Yu.A. Fomin +3 more
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Литосфера, 2019 Впервые детально изучены солевой состав и температуры гомогенизации двухфазных флюидных включений в магнезите, доломите и синрудном кварце эталонного Саткинского месторождения кристаллических магнезитов.
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