| | Journal (article/letter/editorial) | á L. Arzamastseva Anomalous alkaline rocks of Soustov, Kola: evidence of mantle-derived metasomatic ¯uids...The intrusive complexes of GremiakhaVyrmes and Soustov represent the two extremes of the Early Proterozoic...3) compatible with an ultimate mantle origin. Soustov syenites (zircon age: 1,8728 Ma) are totally dierent...explore the idea that the anomalous features of Soustov syenites can be explained if we assume they are...silica-undersaturated silicate melt that crystallised to produce Soustov syenites. To study this process, we have developed | | | Journal (article/letter/editorial) | Contact Zone of the Khibina Massif, Kola Peninsula, Russia V. V. Chashchin OAO Central Kola Expedition, ul...ul. Komsomol’skaya 23, Monchegorsk, Murmansk oblast, 184511 Russia e-mail: ChashchinV@mail.ru Received...(1935, 1936), I.S. Ozhinskii (1934, 1936), N.I. Soustov (1934, 1935, 1940), and L.I. Pazyuk (1940, 1947)...OVERVIEW The Khibina pluton is the world’s largest intrusion of alkaline rocks. In map view, it has a round...lopolith (Fig. 1) [6], whose U–Pb zircon and baddeleyite ages lie within the range of 2446–2437 Ma [7−11] |
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