sanukite

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sanukite

[′san·ə‚kīt]
(petrology)
An andesite characterized by orthopyroxene as the mafic mineral, andesine as the plagioclase, and a glassy groundmass.
References in periodicals archive ?
Topics include: Plutonism versus Neptunism, the sanukitoid series, the geochemistry of Archaean plagioclase-rich granites as a marker of source enrichment and depth of melting, chemical structure in granitic magmas, and more.