dacite (Q466481)
volcanic igneous rock made of quartz and plagioclase phenocrysts and the ground mass of glass and microlites of the same ingredients; deep equivalent: granodiorite and kvarcdiorit
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description volcanic igneous rock made of quartz and plagioclase phenocrysts and the ground mass of glass and microlites of the same ingredients; deep equivalent: granodiorite and kvarcdiorit

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