Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Nadezhda V. Shchipalkina"'
Autor:
Nadezhda V. Shchipalkina, Oleg S. Vereshchagin, Nikita V. Chukanov, Liudmila A. Gorelova, Vladimir N. Bocharov, Igor V. Pekov
Publikováno v:
Journal of Solid State Chemistry. 323:124067
Autor:
Natalia N. Koshlyakova, Igor V. Pekov, Nikita V. Chukanov, Christof Schäfer, Natalia V. Zubkova, Konstantin V. Van, Nadezhda V. Shchipalkina, Dmitry Yu. Pushcharovsky
Publikováno v:
Mineralogy and Petrology. 115:631-641
The crystal structure of Mg-rich pyroxmangite from sanidinite of the Laach Lake (Laacher See) Volcano, Eifel paleovolcanic region, Rhineland-Palatinate, Germany has been solved based on single-crystal X-ray diffraction data, the final R indices for a
Autor:
Nadezhda V. Shchipalkina, Sergey N. Britvin, Igor V. Pekov, Natalia N. Koshlyakova, Evgeny G. Sidorov
Publikováno v:
The Canadian Mineralogist. 59:713-727
Six different exsolution types are found in crystals of aphthitalite-group alkali sulfates from exhalations of the active Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. The coexisting minerals in these exsolutions are metathénardite, id
Autor:
S. N. Britvin, N. N. Koshlyakova, E. G. Sidorov, F.D. Sandalov, Nadezhda V. Shchipalkina, Igor V. Pekov
Publikováno v:
Moscow University Geology Bulletin. 76:325-335
This article provides data on cristobalite and tridymite from the Arsenatnaya active fumarole of the Tolbachik volcano, Kamchatka, Russia. The minerals occur in associations with fumarolic sylvite, sanidine, cassiterite, hematite, pseudobrookite, joh
Autor:
Nadezhda V. Shchipalkina, Igor V. Pekov, Margarita S. Avdontceva, E. S. Zhitova, Anatoly A. Zolotarev, Sergey V. Krivovichev
Publikováno v:
Crystallography Reports. 66:66-75
Single crystals of “malakhovite” (an anthropogenic silico-oxide from burnt dumps of the Chelyabinsk coal basin; sp. gr. P $$\bar {1}$$ , a = 10.555(4) A, b = 10.928(3) A, c = 9.059(3) A, α = 106.338(12)°, β = 95.87(7)°, γ = 124.40(2)°, V =
Autor:
Natalia V. Zubkova, Igor V. Pekov, Nikita V. Chukanov, Nadezhda V. Shchipalkina, Natalia N. Koshlyakova, Dmitry I. Belakovskiy, Sergey N. Britvin
Publikováno v:
Mineralogical Magazine. 84:869-880
The rhodonite-group mineral with the idealised, end-member formula MnMn4[Si5O15] and the crystal chemical formulaVIIM(5)MnVIM(1–3)Mn3VIIM(4)Mn[Si5O15] (Roman numerals indicate coordination numbers) is defined as a valid mineral species named vittin
Autor:
N. N. Koshlyakova, F.D. Sandalov, Vasiliy O. Yapaskurt, Anna G. Turchkova, Atali A. Agakhanov, Igor V. Pekov, Nadezhda V. Shchipalkina, Natalia V. Zubkova, E. G. Sidorov
Publikováno v:
Russian Geology and Geophysics. 61:675-688
—We overview recent data on the mineralogy of oxidizing-type fumaroles of the Tolbachik Volcano (Kamchatka, Russia), with the main focus on the chemical specifics of the minerals. The active fumarole fields of Tolbachik are the most prominent miner
Autor:
Nikita V. Chukanov, Evgeny G. Sidorov, Natalia N. Koshlyakova, Nadezhda V. Shchipalkina, Igor V. Pekov, Natalia V. Zubkova, Sergey N. Britvin, Dmitry I. Belakovskiy
Publikováno v:
The Canadian Mineralogist. 58:167-181
Natroaphthitalite K(Na,K)2Na(SO4)2, a new aphthitalite-group mineral, was found in exhalations of the active Arsenatnaya fumarole at the Second scoria cone of the Northern Breakthrough of the Great Tolbachik Fissure Eruption, Tolbachik volcano, Kamch
Autor:
Nadezhda V. Shchipalkina, Dmitry A. Varlamov, Natalia N. Koshlyakova, Natalia V. Zubkova, Igor V. Pekov, Sergey N. Britvin, Eugeny G. Sidorov
Publikováno v:
European Journal of Mineralogy. 32:101-119
This is the initial paper in a pair of articles devoted to silicate minerals from fumaroles of the Tolbachik volcano (Kamchatka, Russia). These papers contain the first systematic data on silicate mineralization of fumarolic genesis. In this article
Autor:
Natalia V. Zubkova, Eugeny G. Sidorov, Sergey N. Britvin, Natalia N. Koshlyakova, Nadezhda V. Shchipalkina, Dmitry A. Varlamov, Igor V. Pekov
Publikováno v:
European Journal of Mineralogy. 32:121-136
This second of two companion articles devoted to silicate mineralization in fumaroles of the Tolbachik volcano (Kamchatka, Russia) reports data on chemistry, crystal chemistry and occurrence of tectosilicates: sanidine, anorthoclase, ferrisanidine, a