stripes
Occurrence number:
136-15-008
Country:
Russia
Region:
Omolon
Location:
Longitude: 152.17, Latitude: 64
Carbonatite:
No
Popovka consists of small, composite, differentiated intrusions in the form of stocks up to 100 m across. They are variable in composition and consist of tilaite (a gabbro with 80% of dark-coloured minerals), gabbro, dolerite, quartz-bearing syenites, nepheline syenites and alaskites.
References:
ZALISHCHAK, N.L. 1978. Alkali magmatic rocks. In Geology of the Pacific Mobile Belt and the Pacific Ocean. 2: 66-82. Nedra, Leningrad.
Location: