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Rocks and Rock Types — Geography STD 6 — Question

Maharashtra BoardEnglish MediumSTD 6GeographyRocks and Rock Types3 Marks
Question
What leads to the development of sedimentary rocks?
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Answer

  • Due to continuous variations in the temperature, rocks develop cracks.
  • Similarly, the water percolating through rocks dissolves the soluble minerals leading to the weathering of rocks.
  • They get disintegrated or decomposed i.e. reduced to pieces.
  • These rock particles get transported by rivers, glaciers, wind, etc. towards low lying area and are deposited there.
  • One after the other, layers of sediments gets deposited in this way.
  • The upper layers exert heavy pressure on the lower layers.
  • This leads to compaction of materials and development of sedimentary rocks.

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