Alkaline Rocks and Carbonatites of the World

Setup during HiTech AlkCarb: an online database of alkaline rock and carbonatite occurrences

Nyiragongo

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