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Rocks, Minerals and Soil — Geography STD 11 Arts — Question

Gujarat BoardEnglish MediumSTD 11 ArtsGeographyRocks, Minerals and Soil2 Marks
Question
Explain volcanic rocks.
✓

Answer

  • According to the volcanic eruption action, the magma formed underground comes towards the surface of the earth.
  • The rocks formed by this magma are called volcanic rocks.
  • Rocks formed by volcanic rocks are called igneous rocks.
  • Which originates from magma.
Its three subtypes are as follows.
$(1)$ Inland igneous rocks $(2)$ Central igneous rocks and $(3)$ Volcanic or external igneous rocks

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