Geochronology of volcanic rocks and evolution of the Cenozoic Western Branch of the East African Rift System

@inproceedings{Kampunzu1998GeochronologyOV,
  title={Geochronology of volcanic rocks and evolution of the Cenozoic Western Branch of the East African Rift System},
  author={A. B. Kampunzu and Michele G. Bonhomme and M. Kanika},
  year={1998}
}
New KAr age data from the Virunga, Bukavu and Mwenga-Kamituga Volcanic Provinces in the Western Branch of the East African Rift System are given. In the Virunga Province, the earliest volcanic episode, hereafter “initial” Virunga, includes fissural eruptions of continental tholeiites and Na alkaline lavas. These volcanics erupted along normal faults (sub-)parallel to the main north-south rift axis. Tholeiitic flows (first cycle) are directly overlain by Na alkaline lavas (second cycle). The… CONTINUE READING

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