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ICSE Class 9 Answered

State five main characteristics of sedimentary rocks.
Asked by Topperlearning User | 22 Dec, 2014, 04:36: PM
Expert Answer

Five main characteristics of sedimentary rocks are:

  • Sedimentary rocks are also known as secondary rocks as they are formed by the sediments of other rocks denuded and deposited by the agents of gradation.

  • Sedimentary rocks are largely found on the Earth’s surface. They cover 75% area of the Earth.

  • These rocks are generally not crystalline in nature. They are soft and have many layers as they are formed due to the deposition of sediments.

  • These rocks may have the presence of the remains of plants and animals in between various layers.

  • Sedimentary rocks may be sub divided on the basis of the nature of sediment, origin and composition.

 

Answered by | 22 Dec, 2014, 06:36: PM
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