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Journal/2018 engl
New Data on Minerals. 2018. Volume 52. 160 pages, 166 photos, drawings, and schemes.
Содержание
Summary
This volume includes a description of cristofsherferite- (Ce), a new mineral from the chevkinite group found in the Eifel volcanic region in Germany, niobokupletskite (the third find in the world) and minerals associated with it from the Matchinsky massif in Kyrgyzstan, a rare variety of native gold - porpecite from gold placers Ambositra region in Madagascar, fergusonite- (Y) and its alteration products from granite pegmatite veins of the Beregovoy Zenkovsky massif in the Urals, rare barium minerals (arctite, hanneshit, bussenite and phases close to it) from iyolite-urtites of the Poachvumchorr mountain of the Khibiny massif on Kolsky -ove. The mineralogy of the volcanic deposits Radka, Chelopech, Elshitsa (Bulgaria) and Lebedinoe (Central Aldan) is compared, as well as a synthesis of the literature and new data obtained on complex uranium oxides in uranium ores. The results of studying zonal diamond crystals from the Arkhangelsk tube (Russia) and new data on the phase composition in the central part of the Cu – Fe – S system are presented.