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CHEMICAL COMPOSITION OF Ca-Mg-Sr CARBONATES AND THE STABLE ISOTOPE δ13C STUDY: THE KOVDOR MASSIF SHOWCASE (KOLA REGION, NW RUSSIA)
Труды Ферсмановской научной сессии ГИ КНЦ РАН
The current study provides new data on δ 13 C of carbonates from the REE-rich Paleozoic Kovdor massif. It is an ultramafic, alkaline and carbonatite intrusion in the north-eastern part of the Baltic Shield (Kola region, Russia). The carbonates have been sampled from the main outcrop of the phoscoritecarbonatite Kovdor massif. According to Rb-Sr and U-Pb data, its age is 420-360 Ma [3, 10] . The massif was formed in the active zone of a continental type as a result of hot spot plutonism on thedoi:10.31241/fns.2018.15.097 fatcat:7v47rthjojfohjzuz5rn6yhiea