• Keith Bell
  • Jörg Keller
Part of the IAVCEI Proceedings in Volcanology book series (VOLCANOLOGY, volume 4)


As the only known active carbonatite volcano, Oldoinyo Lengai plays an important role in evaluating the genesis and evolution of carbonatites. Since the pioneering work by J.B. Dawson on the natrocarbonatite lavas of the 1960–61 eruption, this volcano has held an understandable fascination for volcanologists, geochemists and petrologists, and has resulted in considerable debate as to whether the natrocarbonatite is a primary or derivative melt.


Liquid Immiscibility Crystal Fractionation Primary Magma East African Rift Saline Brine 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1995

Authors and Affiliations

  • Keith Bell
    • 1
  • Jörg Keller
    • 2
  1. 1.Ottawa-Carleton Geoscience Centre, Dept. of Earth SciencesCarleton UniversityOttawaCanada
  2. 2.Institut für Mineralogie, Petrologie und GeochemieUniversität FreiburgFreiburgGermany

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