 | Akimenko, M. I., Kogarko, L. N., Sorokhtina, N. V., Kononkova, N. N., Mamontov, V. P. (2014) A new occurrence of alkaline magmatism on the Kola Peninsula: An agpaitic dyke in the Kandalaksha region. Doklady Earth Sciences, 458 (1) 1125-1128 doi:10.1134/s1028334x14090128 | Journal (article/letter/editorial) | | per formed by the Murmansk Geological Prospecting Expedition in the “Mokhnatye Roga” area located 55 km...massif (67°15′ N, 31°30′ E) (Fig. 1). The “Mokhnatye Roga” area is located in the Ensk segment of the...Moscow, Russia b Murmansk Geological Prospecting Expedition, Apatity, Murmansk oblast, Russia email:...enigmatite (10–15 vol %), nepheline (10–15 vol %), orthoclase (15–20 vol %), alkaline amphibole (5–10 vol %)...mass is composed of finegranular nepheline and orthoclase, which are observed as individual large euhedral |  | | Journal (article/letter/editorial) | | Academy of Sciences, ul. Kosygina 19, Moscow, 119991 Russia *e-mail: makimm@mail.ru Received November 7, 2016;...INTRUSION AND AGPAITIC SYENITE DYKE AT THE MOKHNATYE ROGA PROSPECT The Niva intrusion and the agpaitic...agpaitic syenite dyke is exposed in Kandalaksha district 35 km southwest of the Niva intrusion (Fig. 1)...rockforming minerals. The agpaitic syenite consists of orthoclase (25–30 vol %), Ti-bearing aegirine-augite (10–15...porphyritic, its groundmass consists of fine-grained orthoclase, which also occur as large single euhedral phenocryst |  | Filina, Maria I., Aksenov, Sergey M., Sorokhtina, Natalia V., Chukanov, Nikita V., Kononkova, Natalia N., Belakovskiy, Dmitriy I., Britvin, Sergey N., Kogarko, Lia N., Chervonnyi, Alexandr D., Rastsvetaeva, Ramiza K. (2019) The new mineral fluorbarytolamprophyllite, (Ba,Sr,K)2[(Na,Fe2+)3TiF2][Ti2(Si2O7)2O2] and chemical evolution of lamprophyllite-group minerals in agpaitic syenites of the Kola Peninsula. Mineralogy and Petrology, 113 (4) 533-553 doi:10.1007/s00710-019-00664-0 | Journal (article/letter/editorial) | | intrusion and Mokhnatye Roga alkaline dyke belonging to the Kola Alkaline Province, northwestern Russia. The other...657(23)°; V = 741.86(24) Å3, Z = 2. At Niva and Mokhnatye Roga, most of the LGM were formed during magmatic...of Sciences, Kosygin Street 19, Moscow 119991, Russia 2 FSRC BCrystallography and Photonics^, Russian...Sciences, Leninsky Prospekt 59, Moscow 119333, Russia 3 Present address: Department of Civil & Environmental...Sciences, Chernogolovka, Moscow region 142432, Russia 5 Fersman Mineralogical Museum, Russian Academy |
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