stripes
Occurrence number:
136-03-005
Country:
Russia
Region:
North Baikal sub-province
Location:
Longitude: 111.77, Latitude: 57.23
Carbonatite:
No
The small Monyukan massif of only some 2 km2 comprises a number of isolated outcrops which are cut by younger alaskitic granites. It consists of garnet-pyroxene (occasionally with nepheline) trachytic peralkaline syenites. Veins have a granitic composition.
References:
ZHIDKOV, A.Ya. 1968. Apatite-bearing alkaline intrusions of the North Baikal area. In V.I. Smirnov et al. (eds) Apatite, 126-132. Nauka, Moscow.
Location: