Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Nadezhda Tolstykh"'
Autor:
Roman Shelepaev, Maria Shapovalova, Vera Egorova, Yaroslav Shelepov, Tumen-Ulzii Oyunchimeg, Nadezhda Tolstykh
Publikováno v:
Minerals, Vol 13, Iss 6, p 833 (2023)
The Yamaat Uul mafic complex with Cu-Ni mineralization is located in the Khangai Mountains of Western Mongolia. We have received new unique data for mafic rocks of the complex: U-Pb dating (SHRIMP II), mineralogy (WDS) and geochemistry (XRF, ICP-MS),
Externí odkaz:
https://doaj.org/article/bcde1fbfa0a84a629e7a85f1079b3345
Publikováno v:
Minerals, Vol 13, Iss 3, p 420 (2023)
The Maletoyvayam high-sulfidation (HS) epithermal Au-Ag deposit is one of the numerous hydrothermal deposits of the Kamchatka volcanogenic belt, consisting of two main associations: Au-rich (Ag-free) and Ag-bearing. The first one derived from acidic
Externí odkaz:
https://doaj.org/article/b473578c7f184626a8a2843e6abf83d3
Publikováno v:
Minerals, Vol 12, Iss 11, p 1418 (2022)
Gold-silver mineralization in the Rodnikovoe LS epithermal deposit is characterized by selenium speciation. Two main alternating ore assemblages have been identified: silver-aguilarite-acanthite and gold-uytenbogaardtite-acanthite. The former mineral
Externí odkaz:
https://doaj.org/article/de6f4249e6f04801a3850347cbfd9cab
Autor:
Nadezhda Tolstykh, Valeriya Brovchenko, Viktor Rad’ko, Maria Shapovalova, Vera Abramova, Jonathan Garcia
Publikováno v:
Minerals, Vol 12, Iss 1, p 18 (2021)
Pyrrhotite (or Cu-poor) massive ores of the Skalisty mine located in Siberia, Russia, are unique in terms of their geochemical features. These ores are Ni-rich with Ni/Cu ratios in the range 1.3–1.9 and contain up to 12.25 ppm Ir + Rh + Ru in bulk
Externí odkaz:
https://doaj.org/article/d8c64a28796e4f12a791b01efef16843
Publikováno v:
Minerals, Vol 11, Iss 11, p 1225 (2021)
The Baranyevskoe Au-Ag epithermal deposit of low-sulfidation (LS) type is located on the Kamchatka Peninsula in the Neogene-Quaternary Central Kamchatka Volcanic Belt, where Au-bearing quartz veins are usually accompanied by veinlet stockworks. Two e
Externí odkaz:
https://doaj.org/article/7a7fd662ef9541ebbb0ea39c910dad1c
Publikováno v:
Minerals, Vol 11, Iss 11, p 1258 (2021)
Pd-rich pentlandite (PdPn) along with ore-forming pentlandite (Pn) occurs in the cubanite and chalcopyrite massive sulfide ores in the EM-7 well of the Southern-2 ore body of the Talnakh deposit. PdPn forms groups of small grains and comprises margin
Externí odkaz:
https://doaj.org/article/0b8996d97f3e4fcbb6c279f37e6b1179
Publikováno v:
Minerals, Vol 10, Iss 11, p 942 (2020)
The mafic-ultramafic massifs with the PGE-Cu-Ni mineralization located in North-Central Mongolia: Oortsog, Dulaan, Mankhan, Yamat, and Nomgon were investigated. For the first time we consider these massifs as a single magmatic association and as frag
Externí odkaz:
https://doaj.org/article/dd8f38717b374621ad833d6a7f6a7938
Publikováno v:
Minerals, Vol 10, Iss 8, p 688 (2020)
The purpose of this study is to show the patterns of distribution of disseminated sulfide in layered rocks based on the numerous geochemical and mineralogical data obtained for eight boreholes of the Norilsk intrusion (southern part of the Norilsk 1
Externí odkaz:
https://doaj.org/article/31dd78bcefeb4be0b8f33ac48921c207
Autor:
Nadezhda Krivolutskaya, Nadezhda Tolstykh, Tatyana Kedrovskaya, Konstantin Naumov, Irina Kubrakova, Oksana Tyutyunnik, Bronislav Gongalsky, Elena Kovalchuk, Larisa Magazina, Yana Bychkova, Anton Yakushev
Publikováno v:
Minerals, Vol 8, Iss 4, p 124 (2018)
The Talnakh deposit is one of the largest PGE-Cu-Ni deposits in the world. It is located inside the North-Western part of the Siberian Trap province and consists of three branches. The problem of massive ore origins has been discussed for several dec
Externí odkaz:
https://doaj.org/article/9a32d12a5e73425a8b0572e0fa4c75a3
Autor:
Nadezhda Tolstykh, Anatoly Kasatkin, Fabrizio Nestola, Anna Vymazalová, Atali Agakhanov, Galina Palyanova, Vladimir Korolyuk
Publikováno v:
Mineralogical Magazine. 87:284-291
Auroselenide, ideally AuSe, is a new mineral from the Gaching ore occurrence of the Maletoyvayam deposit, Kamchatka peninsula, Russia. It occurs as anhedral grains up to 0.05 × 0.02 mm and as intergrowths up to 0.06 mm with maletoyvayamite–tolstyk