stripes
Occurrence number:
155-00-090
Country:
Sudan
Location:
Longitude: 34.05, Latitude: 10.45
Carbonatite:
No
This is a plug of syenite of 1x0.8 km associated with which are numerous dykes. An outer leucocratic quartz syenite gradually merges inwards into a syenite. They are coarse rocks of perthite, sodic plagioclase, arfvedsonite and biotite with accessory titanite, zircon and apatite. The dykes include dolerite and camptonitic lamprophyre.
References:
VAIL, J.R., HUGHES, D.J., ABDEL MAGID, A.E.M., ABDEL RAHMAN, E.M. and TOUM, I.M. 1986. Geology of southern Blue Nile Province, Sudan. Bulletin of the Geology and Mineral Resources Department, Republic of the Sudan, 37: 1-32.
Location: