stripes
Occurrence number:
136-14-025
Country:
Russia
Region:
Dalbykha group of intrusions
Location:
Longitude: 101.93, Latitude: 70.32
Carbonatite:
No
Lying between Dalbykha and the Bykhyt-East occurrence Bykhyt-North consists of a central stock of melanephelinite which is surrounded by a ring-dyke of nepheline syenite. The melanephelinite comprises 70-80% clinopyroxene with small amounts of olivine (up to 5%), titanomagnetite, phlogopite, apatite, titanite and perovskite.
References:
EGOROV, L.S. 1969. The melilite rocks of the Maimecha-Kotui province. Nedra, Leningrad. 247 pp.
Location: