Earth’s internal composition and Landforms — Social Science STD 7 — Question
Gujarat BoardEnglish MediumSTD 7Social ScienceEarth’s internal composition and Landforms3 Marks
Question
Explain the function of metamorphic rocks with examples.
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Answer
Due to extremely high temperature and extreme pressure the basic properties like structure, layering, composition, colour, etc. of igneous and sedimentary rocks change totally.
The rocks thus formed are called ‘Metamorphic rocks'. E.g., clay changes into slate and limestone into marble. Moreover quartzite, graphite, diamonds, etc. are also found in metamorphic rocks.
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