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Trachyte
Volcanic rock associated with effusive eruptions of acid (siliceous) to intermediate magmas.
Usually is compact, fine-grained and light grey coloured, containing feldspar crystals.
Curiosity: mostly forms trachytic domes.
Text size:
Volcanic rock associated with effusive eruptions of acid (siliceous) to intermediate magmas.
Usually is compact, fine-grained and light grey coloured, containing feldspar crystals.
Curiosity: mostly forms trachytic domes.