Výsledky vyhledávání - "V. A. Kovalenker"

The Nature of Tungstenite of the Bystrinskoe Porphyry-Skarn Au–Fe–Cu Deposit (Eastern Transbaikalia, Russia)

Autor: N. V. Trubkin, Yu. I. Yazykova, G. D. Kiseleva, V. A. Kovalenker

Publikováno v: Doklady Earth Sciences. 500:728-733

Tungstenite of unusual shapes (spheroids, rings, threads, spirals, etc.) was found in scheelite of gold-bearing quartz–carbonate–pyrite–chalcopyrite veins. It is crystallized in the veins in the final part of mineral deposition, after crystalli

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3539ad1954c6d48de444031bf7457a18
https://doi.org/10.1134/s1028334x21090129

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Scheelite of the Bystrinsky skarn-porphyry Cu-Au-Fe deposit (Eastern Transbaikalia, Russia): genetic implications

Autor: V. A. Kovalenker, O. Yu. Plotinskaya, G. D. Kiseleva, E. A. Minervina, S. E. Borisovskii, O. M. Zhilicheva, Yu. I. Yazykova

Publikováno v: Геология рудных месторождений. 61:67-88

The first results of the study (methods of mineragraphy, cathodoluminescence (CL), electron-probe microanalysis (EPMA) and laser-ablation inductively-coupled plasma-mass spectrometry (LA-ICPMS)) of scheelite from quartz-molybdenite and quartz-carbona

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3621dbe21e6cbe8f2d7c69484b6faecf
https://doi.org/10.31857/s0016-777061667-88

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Scheelite of the Bystrinskoe Skarn-Porphyry Cu–Au–Fe Deposit, Eastern Transbaikal Region, Russia: Genetic Implications

Autor: O. Yu. Plotinskaya, V. A. Kovalenker, O. M. Zhilicheva, G. D. Kiseleva, S. E. Borisovskii, Yu. I. Yazykova, E. A. Minervina

Publikováno v: Geology of Ore Deposits. 61:559-579

The first results of optical microscopy, cathodoluminescence (CL), ultraviolet fluorescence (UV), electron-probe microanalysis (EPMA), and laser-ablation inductively-coupled plasma-mass spectrometry (LA-ICPMS) study of scheelite from quartz–molybde

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8ceb1439d39d9da51d4f7f16045acef4
https://doi.org/10.1134/s1075701519060035

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Typomorphic Characteristics of Molybdenite from the Bystrinsky Cu–Au Porphyry–Skarn Deposit, Eastern Transbaikal Region, Russia

Autor: Yu. I. Yazykova, S. E. Borisovskii, O. Yu. Plotinskaya, V. A. Kovalenker, N. V. Trubkin, G. D. Kiseleva, V. D. Abramova

Publikováno v: Geology of Ore Deposits. 60:62-81

The paper presents pioneering data on the composition, texture, and crystal structure of molybdenite from various types of molybdenum mineralization at the Bystrinsky Cu–Au–Fe porphyry–skarn deposit in the eastern Transbaikal region, Russia. Th

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5c9b83b64d64fc44dc08f9bc207cdd9b
https://doi.org/10.1134/s107570151801004x

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First direct evidence for natural occurrence of colloidal silica in chalcedony-hosted vacuoles and implications for ore-forming processes

Autor: V. A. Kovalenker, Sofia L. Selektor, Thomas Rodemann, Sergey Z. Vatsadze, Vadim S. Kamenetsky, Vsevolod Yu. Prokofiev

Publikováno v: Geology. 45:71-74

Different forms of abundant silica (e.g., quartz and chalcedony) are closely associated with many types of ore deposits in igneous, metamorphic, and sedimentary environments. Occurrence of quartz and metal-bearing minerals together strongly indicates

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::17e4f54d49f41952291bf24af28597aa
https://doi.org/10.1130/g38517.1

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The large Bystrinskoe Cu–Au–Fe deposit (Eastern Trans-Baikal Region): Russia’s first example of a skarn–porphyry ore-forming system related to adakite

Autor: V. A. Kovalenker, Yu. I. Yazykova, T. L. Krylova, N. S. Bortnikov, S. S. Abramov, G. D. Kiseleva

Publikováno v: Doklady Earth Sciences. 468:566-570

The Bystrinskoe skarn-porphyry Cu–Au–Fe deposit (Eastern Trans-Baikal Region) is confined to skarn zones, which were formed along the contact of granitoids referred to the Shakhtama intrusive complex (J2–3), with terrigenous–carbonate sedimen

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::23244ea11cf566596b44f7d517896b3b
https://doi.org/10.1134/s1028334x1606012x

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'Invisible' gold in covellite (CuS): Synthesis and studies by EPMA, LA-ICP-MS, and XPS techniques

Autor: M. I. Garas’ko, Nina N. Baranova, M. I. Buleev, S. E. Borisovskii, Yu. P. Dikov, Maria A. Kokh, Dmitriy A. Chareev, V. A. Kovalenker, N. S. Bortnikov, B. R. Tagirov, V. D. Abramova, Elena V. Kovalchuk

Publikováno v: Doklady Earth Sciences. 459:1381-1386

Samples of covellite CuS(cr) containing up to 0.3 wt % of gold in “invisible” form were obtained by means of hydrothermal synthesis (450–475°C, 1 kbar) and synthesis in eutectic chloride melts (495°C). The studies using EPMA and LA-ICP-MS tec

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::916aa5f20f7c9db693416c73b5bc94f4
https://doi.org/10.1134/s1028334x14110087

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Origin of the Laleaua Albă dacite (Baia Sprie volcanic area and Au-Pb-Zn ore district, Romania): evidence from study of melt inclusions

Autor: Maria L. Tolstykh, V. B. Naumov, Floarea Damian, V. A. Kovalenker, Ioan Seghedi, Sergei S. Abramov, Vsevolod Yu. Prokofiev, Gheorghe Damian

Publikováno v: Central European Geology. 57:83-112

Crystal inclusions (plagioclase, biotite, magnetite) and melt inclusions were studied in minerals of the Laleaua Alba dacite (Baia Sprie, Romania). Electron microprobe analysis of 29 melt inclusions in the plagioclase, K-feldspar, and quartz confirm

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b304e38eb82f7a50675ddd4c2ebcc9a2
https://doi.org/10.1556/ceugeol.57.2014.1.5

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