The Lovozero minerals - nenadkevichite, gerassimovskite and tundrite - from Ilímaussaq, South Greenland

E.I Semenov; M.E Kazakova; R.A Aleksandrova

doi:10.34194/bullggu.v68.6605

The Lovozero minerals - nenadkevichite, gerassimovskite and tundrite - from Ilímaussaq, South Greenland

Authors

E.I Semenov
M.E Kazakova
R.A Aleksandrova

DOI:

https://doi.org/10.34194/bullggu.v68.6605

Abstract

Nenadkevichite NaCaTiNbSi₄O₁₄.4H₂0, gerassimovskite NbTi(OH) ₉ and tundrite Na₂Ce₂TiSiO₈.4H₂O, which until now have been found only in the Lovozero alkaline massif in the Kola peninsula have also been found in the nepheline-sodalite syenites of the Ilímaussaq massif (South Greenland). Nenadkevichite and gerassimovskite occur in hydrothermaI veins in the poikilitic sodalite syenites (naujaites) as alteration products of epistolite. Tundrite was found in pegmatites in nepheline syenites (kakortokites). A new formula of tundrite is suggested.

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Published

1967-10-31

How to Cite

Semenov, E., Kazakova, M., & Aleksandrova, R. (1967). The Lovozero minerals - nenadkevichite, gerassimovskite and tundrite - from Ilímaussaq, South Greenland. Bulletin Grønlands Geologiske Undersøgelse, 68, 1–11. https://doi.org/10.34194/bullggu.v68.6605

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Issue

Vol. 68 (1967): Contributions to the mineralogy of Ilímaussaq, Nos 3–7

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