stripes
Occurrence number:
137-00-006
Country:
Rwanda
Region:
Virunga volcanoes
Location:
Longitude: 29.28, Latitude: -1.65
Carbonatite:
No
A small area of lavas derived from Nyiragongo lies in northwestern Rwanda to the north of Lake Kivu. These lavas are nephelinites, leucitites and nepheline melilitites. A fuller account of Nyiragongo is given under the Democratic Republic of Congo (No. 038-00-008).
References:
DENAEYER, M-E. and SCHELLINCK, F. 1965. Recueil d’analyses des laves du fosse tectonique de l’Afrique Centrale. Annales, Museee Royal de l’Afrique Centrale, Tervuren, Belgique. Serie In 8°, Sciences Géologiques, 49: 1-234.ANTUN, P., BERTOSSA, A., DELHAYE, F., PEETERS, L., PETRICEC, V., SALEE, A. and WALEFFE, A. 1971. Carte géologique du Rwanda. Feulle Ruhengeri Nord (S2/29 NW et NE). 1:100,000. Institut Géographique Militaire de Belgique.
Map:
Fig. 3_237 The distribution of the lavas of the Muhavura, Gahinga, Sabinyo, Visoke, Karisimbi and Nyiragongo volcanoes (after Antun et al., 1971, inset map).
Location: