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Fedorov Session 2006
Pleiades Publishing Ltd - - 2007
M. V. Morozov
Platinoids in the Kaalamo Differentiated Massif in the Northern Ladoga Region, Karelia, Russia
Pleiades Publishing Ltd - Tập 59 - Trang 632-641 - 2018
O. B. Lavrov, L. V. Kuleshevich
The Kaalamo massif is located in the Northern Ladoga region, Karelia, on the extension of the Kotalahti Belt of Ni-bearing ultramafic intrusions in Finland. The massif, 1.89 Ga in age, is differentiated from pyroxenite to diorite. Nickel–copper sulfide mineralization with platinoids is related to the pyroxenite phase. The ore consists of two mineral types: (i) pentlandite–chalcopyrite–pyrrhotite a...... hiện toàn bộ
Silver sulfoselenide from ore of the Valunisty Au-Ag deposit, Chukchi Peninsula
Pleiades Publishing Ltd - Tập 52 - Trang 811-814 - 2011
K. A. Novoselov, V. A. Kotlyarov, E. V. Belogub
Silver sulfoselenide (Ag,Cu)9Se2S4 from ore of the Valunisty Au-Ag deposit on the Chukchi Peninsula is described for the first time. The mineral occurs in mineralized quartz-adularia veins, where it associates with chalcopyrite, sphalerite, galena, and electrum and replaces arsenpolybasite. It forms anhedral grains up to 0.2 mm in size. The reflectivity of sulfoselenide is moderate, no anisotropy ...... hiện toàn bộ
Age of tin ore from the Solnechnoe quartz-tourmaline-cassiterite deposit, the Khabarovsk krai, Russia from the results of Rb-Sr dating of quartz and adularia
Pleiades Publishing Ltd - Tập 54 - Trang 233-240 - 2012
A. V. Chugaev, N. S. Bortnikov, V. G. Gonevchuk, N. V. Gorelikova, P. G. Korostelev, A. N. Baranova
The age of the main productive phase of ore formation at the large Solnechnoe tin deposit has been estimated for the first time based on the study of the Rb-Sr isotopic system of hydrothermal quartz and adularia from ore veins and metasomatic rocks. The Rb-Sr isochron age (84 ± 1 Ma) of mineralization coincides with the age of intrusive rocks pertaining to the third phase of the Silinka Complex, w...... hiện toàn bộ
Association of Siderite with Iron Sulfides and Silicates in Rocks of the Mikheevskoe Cu(Mo,Au) Porphyry Deposit (Southern Urals)
Pleiades Publishing Ltd - Tập 65 - Trang 332-345 - 2023
S. V. Pribavkin, E. I. Soroka, O. B. Azovskova, I. V. Smoleva, L. V. Leonova, I. A. Gottman, S. G. Sustavov, M. Yu. Rovnushkin
The mineral association of siderite with Cu–Fe sulfides, cronstedtite, and goethite were first recognized when studying the Mikheevskoe Cu(Mo,Au)–porphyry deposit. This association is confined to fault zones, where it fills a network of mineralized fractures developed on porphyry- and argillizite-type ores. Minerals of this association were also identified in some argillizite samples of this depos...... hiện toàn bộ
Magmatic Control of Gold Mineralization in Western Primorye
Pleiades Publishing Ltd - Tập 61 - Trang 333-347 - 2019
S. N. Kononets, M. G. Valitov, T. A. Kharchenko
The article analyzes the regional gravitational field of northeastern China, Korea, and Western Primorye. The distribution of gold deposits is compared with the development of Mesozoic magmatism and negative gravitational field anomalies. Based on an analysis of geological, minerogenic, petrophysical, and geophysical materials, geological and geophysical zoning of the western part of the Khanka ma...... hiện toàn bộ
Distribution of global fallouts cesium-137 in taiga and tundra catenae at the Ob River basin
Pleiades Publishing Ltd - Tập 57 - Trang 138-155 - 2015
I. N. Semenkov, A. A. Usacheva, A. Yu. Miroshnikov
The classification of soil catenae at the Ob River basin is developed and applied. This classification reflects the diverse geochemical conditions that led to the formation of certain soil bodies, their combinations and the migration fields of chemical elements. The soil and geochemical diversity of the Ob River basin catenae was analyzed. The vertical and lateral distribution of global fallouts c...... hiện toàn bộ
Optimization of the garnet-biotite geothermometer: Part II. Calibration equations and accuracy of the estimation
Pleiades Publishing Ltd - Tập 53 - Trang 543-557 - 2012
Yu. L. Gulbin
Calibrations of the garnet-biotite geothermometer are considered with allowance for the effect of the nonideality of the coexisting garnet and biotite upon K D . The calibrations based on the model of an asymmetric subregular Prp-Alm-Grs-Sps solid solution with W − ...... hiện toàn bộ
Fundamental Problems of Development of the Mineral-Resource Base of High-Tech Industry and Energy of Russia
Pleiades Publishing Ltd - Tập 64 - Trang 313-328 - 2023
N. S. Bortnikov, A. V. Volkov, A. L. Galyamov, I. V. Vykentiev, A. V. Lalomov, K. Yu. Murashov
The problem of provision of the Russian high-tech industry with critical minerals is becoming more drastic every year due to the steady reduction of rich and relatively accessible deposits in technical and economic terms and the instability of its import delivery from producer countries due to political instability in the world. Domestic and global trends in the development of the mineral-resource...... hiện toàn bộ
Accessory minerals from the Primorsky rapakivi granite complex, West Baikal Region
Pleiades Publishing Ltd - Tập 53 - Trang 708-722 - 2012
V. B. Savel’eva, E. P. Bazarova, N. S. Karmanov
The composition of accessory minerals from granites of the second phase, quartz-muscovite (+fluorite), and quartz-muscovite-topaz greisens from the Primorsky rapakivi granite complex, West Baikal region, were studied using backscattered scanning electron microscopy. Ilmenite from granites contains inclusions of cassiterite, titanocolumbite, fergusonite-(Y), polycrase-(Y), and betafite. Allanite-(C...... hiện toàn bộ
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