Geochemical evolution of the Nyiragongo volcano (Virunga, Western African Rift, Zaire)
Strongly undersaturated foiditic lavas (nepheline—melilitites, nephelinites, leucitites) from the active Nyiragongo volcano have been analysed for trace elements (Sc, V, Cr, Co, Ba, REE, Hf, Ta, Th and U) by instrumental neutron activation analysis. The overall low Sc and Cr contents and low Mg/Fe r...
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
Geological Society of Finland
1985-12-01
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| Series: | Bulletin of the Geological Society of Finland |
| Subjects: | |
| Online Access: | http://www.geologinenseura.fi/bulletin/Volume57/sgs_bt_057_pages_021_035.pdf |