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

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

Answer

  • The basic structure of igneous and rocky rocks changes due to some special conditions.
  • The appearance of the old rocks is changed so that the original features of the rocks are eliminated.
  • Thus, due to the combined effect of these two main factors, heat and pressure, volcanic and rocky rocks take on a whole new form.
  • Says the local converted rocks. There are two main subtypes. $(1)$ Local converted rocks and regional converted rocks
  • Graphite, marble, slate etc. are these types of metamorphic rocks.

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