Rare-earth minerals of carbonate veins in the Soustov massif (Kola Peninsula) as an the indicator of its ore specialization

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Abstract

The article presents first results of geological, isotope-geochemical and mineralogical studies of carbonatite veins previously unknown in the Soustov massif. Veins studied have the Sm-Nd isotope composition and model age similar to rocks of the massif, indicating the common source of their formation. High contents of light lanthanides, Sr, and Nb in carbonatite veins were revealed. These elements are concentrated in bastnäesite, strontianite, monazite, and pyrochlore. The data obtained significantly expand the geochemical and ore specialization of the massif.

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About the authors

Michail Nikolaevich Petrovskiy

Kola science centre RAS

Author for correspondence.
Email: petrovsk2@rambler.ru

Geological institute

Russian Federation, 184209, Russia, Murmansk region, Apatity, st. Fersman, 14

References

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2. Fig. 1. Scheme of the geological structure of the Soustov massif according to literary data (Volotovskaya, Bulakh, 1971; Kukharenko et al. 1971) and author's data.

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3. Fig. 2. Carbonatite veins in the Soustov massif.

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4. Fig. 3. BSE images of bastnäesite and strontianite.

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