stripes
Occurrence number:
103-00-005
Country:
Malawi
Region:
The North Nyasa Alkaline Province
Location:
Longitude: 33.8, Latitude: -10.97
Carbonatite:
No
The Telelele intrusion is located in the southern part of the Nkonjera granite-syenite complex (Thatcher, 1974)), is oval in outline, 2.5x1 km and expressed as a low hill. The rock is coarse and composed of microcline perthite, much interstitial albite, about 30% nepheline, unevenly distributed areas of blue sodalite, patches of biotite and magnetite; sparse amphibole is present in one area of the intrusion and calcite, zircon and titanite are accessory.
References:
BLOOMFIELD, K. 1965b. A reconnaissance survey of alkaline rocks in the northern and central regions. Records, Geological Survey of Malawi, 5: 17-63.THATCHER, E.C. 1974. The geology of the Nyika area. Bulletin, Geological Survey of Malawi, 40: 1-90.
Map:
Fig. 3_146 Henga, Telelele and Njakwa (after Thatcher, 1974, 1:100,000 map Nyika S).
Location: