Results 1 to 10 of about 44 (39)

ВОЗРАСТ ГРАНИТОИДОВ БЕКЧИУЛСКОГО ИНТРУЗИВНОГО МАССИВА (НИЖНЕЕ ПРИАМУРЬЕ)

open access: yes, 2023
The Bekchiul pluton is located in the Lower Amur region and is a large granitoid body of complex structure within the Zhuravlevka-Amur terrain of the Sikhote-Alin orogenic belt.
S. Yu. Budnitskiy   +7 more
core   +1 more source

ТЕРРИТОРИАЛЬНЫЕ ГРУППИРОВКИ МЕСТОРОЖДЕНИЙ МИНЕРАЛЬНОГО СЫРЬЯ ЮГО-ВОСТОЧНОЙ СИБИРИ И НЕКОТОРЫЕ ПЕРСПЕКТИВЫ ИХ ОСВОЕНИЯ: ОБЗОР ПРОБЛЕМЫ

open access: yes, 2021
This study aims to identify the groups of closely spaced mineral deposits located in the Southern East Siberia and to describe these clusters. The mineral resource base of this region includes the deposits of lead, zinc, tungsten, tin, molybdenum ...
Zh. V. Seminsky   +1 more
core   +1 more source

Substance and fluid sources in gold sulfide mineralization of the Auerbakh volcanic-plutonic belt in the Northern Urals

open access: yesЛитосфера, 2016
The data on C, O, Sr and S isotope composition of the carbonates, quartz and sulfides from the Tamunier and Vorontsovsk gold-ore deposits, localized in the Auerbakh volcano-plutonic belt are cited.
D. A. Zamyatina, V. V. Murzin
doaj   +2 more sources

ВЫДЕЛЕНИЕ ГЕОХИМИЧЕСКИХ МАРКЕРОВ ВУЛКАНИЗМА КЛАСТЕРНЫМ МЕТОДОМ АНАЛИЗА В ДОННЫХ ОТЛОЖЕНИЯХ ТЕРМАЛЬНОГО ОЗЕРА ФУМАРОЛЬНОГО ПО ДАННЫМ РФА-СИ

open access: yes, 2022
We carried out layer-by-layer scanning (with a step of 1 mm) of the bottom sediments of the thermal lake Fumarolnое with SR-XRF (X-ray fluorescence analysis using synchrotron radiation). The lake is located in the caldera of the Uzon volcano (Kamchatka).
E. V. Lazareva   +5 more
core   +1 more source

Olivine-chrome-spinel equilibrium in chromitites and ultramafites of Rai-Iz massif, Polar Urals

open access: yesЛитосфера, 2016
Olivine and chrome-spinel compositions from chromitites and ore-bearing metamorphosed ultramafic rocks of Rai-Iz massif were compared. It was established that olivine and spinel ferruginosity are directly proportional and increase monotonically from ...
P. B. Shirjaev, N. V. Vakhrusheva
doaj   +2 more sources

ГЕОЛОГИЧЕСКАЯ ПОЗИЦИЯ И ГЕНЕЗИС КУРМАНСКОГО ГАББРО-ТРОНДЬЕМИТОВОГО МАССИВА (СРЕДНИЙ УРАЛ)

open access: yes, 2022
This paper reports the results of petrogeochemical studies of the Kurmansky gabbro-trondhjemite massif (eastern slope of the Middle Urals), lying in the western part of the large Reftinsky allochthonous block within the accretion East Uralian megazone ...
М. Д. Вишнякова   +5 more
core   +1 more source

ДЕВОН-КАМЕННОУГОЛЬНЫЙ МАГМАТИЗМ И ОРУДЕНЕНИЕ ЮЖНО-УРАЛЬСКОЙ АККРЕЦИОННО-КОЛЛИЗИОННОЙ СИСТЕМЫ

open access: yes, 2021
The oceanic stage in the history of the South Urals completed in the Ordovician – Early Silurian. The Ordovician through Devonian events in the region included the formation of an island arc in the East Ural zone from the Middle Ordovician to Silurian ...
A. G. Vladimirov   +19 more
core   +1 more source

Composition, structure and fluid regime of differentiated porphyritic intrusion Magnitogorsk iron-ore deposit (Southern Urals)

open access: yesЛитосфера, 2016
Case study of the differentiated subvolcanic porphyritic intrusion underlying Magnitogorsk skarn-magnetite deposit revealed regular relations between petrochemistry features of the rocks and composition of halogens (Cl and F) in the accessory apatite ...
T. D. Bocharnikova   +3 more
doaj   +2 more sources

ГЛУБИННОЕ СТРОЕНИЕ И МОДЕЛЬ ФОРМИРОВАНИЯ КОНТИНЕНТАЛЬНОЙ КОРЫ ВЕРХОЯНСКОГО СКЛАДЧАТО-НАДВИГОВОГО ПОЯСА В ПОЗДНЕМ МЕЗОЗОЕ

open access: yes, 2023
The article considers the geological framework of a large orogenic structure in northeastern Eurasia - the Verkhoyansk fold-and-thrust belt (VFTB), formed in the Late Mesozoic on the eastern margin of the Siberian craton.
Е. Ю. Гошко   +3 more
core   +1 more source

Mineralogical composition and typomorphism as origin indicators of ferromanganese ore formations of the Indian Ocean

open access: yes, 2018
Изучен минеральный состав железомарганцевых образований (конкреций, микроконреций, корок, коркоподобных образований) Индийского океана, проанализированы их распространение, морфология и химический состав.
Сучков, И.А.
core   +1 more source

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