Abstract
Two papers on the chemical composition of the Oldoinyo Lengai sodium carbonate lavas have recently appeared in Nature1,2. Oldoinyo Lengai is an active volcano situated about ten miles south of Lake Natron in the eastern or Gregory Rift Valley of Northern Tanganyika. It is the only active volcano in East Africa. The most significant feature of the chemistry of its carbonate lava is the virtual absence of silica and the very small amounts of alumina and iron combined with the very high amounts of alkaline and volatile substances.
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References
Dawson, J. B., Nature, 195, 1075 (1962).
Du Bois, C. G. B., et al., Nature, 197, 445 (1963).
Poole, J. H. J., and Byrne, F. N., Nature, 191, 62 (1961).
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POOLE, J. Radioactivity of Sodium Carbonate Lava from Oldoinyo Lengai, Tanganyika. Nature 198, 1291 (1963). https://doi.org/10.1038/1981291a0
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DOI: https://doi.org/10.1038/1981291a0
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