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Volcanoes generate minerals and rocks primarily through three mechanisms:

  1. Magma Cooling: As magma rises to the surface and cools, it crystallizes to form igneous rocks, such as basalt and granite, which contain various minerals like feldspar and quartz.

  2. Pyroclastic Activity: Explosive volcanic eruptions can eject ash and pyroclastic materials that solidify upon cooling, forming rocks like tuff and pumice, which are also rich in minerals.

  3. Hydrothermal Processes: Volcanic activity can produce hot fluids that circulate through surrounding rocks, leading to the deposition of minerals such as sulfur, quartz, and various metallic ores, contributing to mineral formation.

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1w ago

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