Výsledky vyhledávání - "E. M. Tropnikov"

Akademický článek

New Insights into the Petrography and Mineralogy of the Malenkiy Site (Pay-Khoy, Nenets Autonomous District)

Autor: R. I. Shaibekov, A. M. Shmakova, E. M. Tropnikov, G. V. Ignatiev

Publikováno v: Učënye Zapiski Kazanskogo Universiteta. Seriâ Estestvennye Nauki, Vol 166, Iss 3, Pp 525-547 (2024)

The rock composition and ore mineralization of the Malenkiy site located within the Khengur gabbro-dolerite complex of the Pay-Khoy were examined. Petrogeochemical analysis revealed two varieties of the studied rocks: fine-crystalline quartz and medi

Externí odkaz: https://doaj.org/article/1dd841089ec547c8aaeb7e2ef3b6160e

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Akademický článek

Bone Remains from Burial Grounds of Perm Vychegodskaya (XI–XIV): Results of Multidisciplinary Research and Environmental Historical Reconstructions

Autor: V. I. Silaev, E. A. Savelyeva, A. F. Khazov, S. N. Shanina, I. V. Smoleva, E. M. Tropnikov, B. A. Makeev, D. V. Kiseleva

Publikováno v: Vestnik Permskogo Universiteta: Seriâ Geologiâ, Vol 21, Iss 4, Pp 296-325 (2022)

Using a wide range of modern mineralogical and physicochemical methods, a representative collection of human bones from seven burial grounds of the Vychegda Permians of the 11th–14th centuries was studied. The microstructure of bones, their chemica

Externí odkaz: https://doaj.org/article/a33dbb0346114d638a16e2858348d6de

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Akademický článek

Ust-Ishim Bone: Mineralogical and Geochemical Characteristics as the Source of the Paleontological, Paleoecological, and Paleoanthropological Information

Autor: V. I. Silaev, S. M. Slepchenko, A. A. Bondarev, I. V. Smoleva, D. V. Kiselеva, S. N. Shanina, O. V. Martirosyan, E. M. Tropnikov, A. F Khazov

Publikováno v: Vestnik Permskogo Universiteta: Seriâ Geologiâ, Vol 16, Iss 1, Pp 1-25 (2017)

Ust-Ishim man was the representative of one of the ancestral groups of the Homo sapiens, Neanderthals and Denisovans. The first results of a comprehensive mineralogical and geochemical study of fossil bones using a wide range of physical, chemical an

Externí odkaz: https://doaj.org/article/66e1006a1d61478991b58fa37aca28a7

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Metagabbro-Dolerites of the Central Part of the Kara Depression, Nenets Autonomous District, Russia: Influence of an Impact Event and the U–Pb (LA–ICP–MS) Age

Autor: R. I. Shaibekov, N. S. Ulyasheva, V. B. Khubanov, S. I. Isaenko, E. M. Tropnikov, G. V. Ignatiev

Publikováno v: Geochemistry International. 61:359-373

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eb4d6164afbc06726db8a6cbccbbd9dc
https://doi.org/10.1134/s0016702923040110

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Mineral Phases of the Pd–Bi–Se System in the Ores at the Chudnoe Au–Pd Deposit (Subpolar Urals, Russia)

Autor: S. A. Onishchenko, S. K. Kuznetsov, E. M. Tropnikov

Publikováno v: Doklady Earth Sciences. 504:266-270

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::242a414478417f9c26730523b1f7e006
https://doi.org/10.1134/s1028334x22050117

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Dependence of Phase Composition, Microstructure, and Characteristics of Iron–Potassium Oxide Composite on Method of Preparation and Introduction of Lignin Sacrificial Additive

Autor: A. Yu. Bugaeva, L. Yu. Nazarova, E. M. Tropnikov, V. A. Belyy, Yu. I. Ryabkov

Publikováno v: Glass Physics and Chemistry. 47:635-641

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9c36e332d41177f11fde71810a1095cc
https://doi.org/10.1134/s1087659621060031

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Epigenetic Alteration of Cupreous Gold in the Au–Ag–Cu–Pd Exsolution Texture

Autor: E. M. Tropnikov, S. A. Onishchenko, S. K. Kuznetsov

Publikováno v: Doklady Earth Sciences. 492:418-421

The exsolution texture of the Au–Ag–Cu–Pt solid solution is represented by numerous lamellae of cupreous gold in the Ag–Au–Pd matrix. On average, the lamellae contain Au–87.1 wt %, Cu–10.3 wt %, Pd–1.8 wt %, and Ag–1.1 wt %, which c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::92b9b4738eb6499d3bcd43eff17acec2
https://doi.org/10.1134/s1028334x20060136

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First data on molybdenite and its primary orebody in Pay-Khoy (Nenets autonomous district): mineralogy, geochemistry, raman spectroscopy

Autor: R. I. Shaybekov, S. I. Isaenko, E. M. Tropnikov

Publikováno v: Доклады Академии наук. 487:663-668

The first data on five primary molybdenite sources within the gabbro-dolerite complex of Pay-Khoy (Pay-Khoy Ridge, Yugra Peninsula, Russia) are presented. The mineral is extended areally in Devonian ore-bearing gabbro-dolerites, contact rocks, and qu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e61d089b136366a803d7953cbd1b26f1
https://doi.org/10.31857/s0869-56524876663-668

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