Nepheline syenite pluton intruded in proterozoic marble and paleozoic gabbro.
References:
-Kapustin, Y. L., & Bykova, A. V. (1965). First find of hiortdahlite in the USSR. Doklady Akad. Nauk SSSR, 161, 121-124.
Mineral List:39 entries listed. 35 valid minerals. 2 type localities (valid minerals).
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