Abstract
Although magma mixing is an old concept which has been applied to many magma types, recent petrographic studies have revived interest in the theory by suggesting that it may account for the origin of calk-alkaline magma1–6 and mid-ocean ridge basalt7–9. There has been no previous experimental investigation into how two magmas with different properties can mix to form a homogeneous magma of andesitic composition or to produce textures such as observed in banded dacite. We present here the results of experiments demonstrating that basaltic and dacitic magmas can be easily mixed by forced convection to form both banded dacite and homogeneous andesite in less than a few hours.
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Kouchi, A., Sunagawa, I. Mixing basaltic and dacitic magmas by forced convection. Nature 304, 527–528 (1983). https://doi.org/10.1038/304527a0
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DOI: https://doi.org/10.1038/304527a0
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