Alkaline Rocks and Carbonatites of the World

Funded by HiTech AlkCarb - New geomodels to explore deeper for Hi-Tech critical raw materials in Alkaline rocks and Carbonatites

Telelele Hill

stripes

Occurrence number: 
103-00-005
Country: 
Malawi
Region: 
The North Nyasa Alkaline Province
Location: 
Longitude: 33.8, Latitude: -10.97

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.
Scratchpads developed and conceived by (alphabetical): Ed Baker, Katherine Bouton Alice Heaton Dimitris Koureas, Laurence Livermore, Dave Roberts, Simon Rycroft, Ben Scott, Vince Smith