Question

explain Organically formed sedimentary rocks
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Answer 1

Answer :-

Organically formed sedimentary rocks:

• They are formed from the organic remains of plants and animals  which have been buried  and preserved for a long time  called fossils limestone is non-clastic consists of calcium carbonate , limestone and chalk
• Carboneous rocks decayed vegetation matter buried  in swamps accumulated  in great thickness, because of pressure they lose  most of minerals except carbon become peat, lignite or coal.

Sedimentary rocks:

• Sedimentary rocks are formed from the existing rocks parent rocks and from organic sources by the process of denudation and decomposition.

Answer 2

REQUIRED ANSWER:-

The following process led to formation of sedimentary rocks:_

1. Erosion
2. Weathering
3. Deposition of cements
4. Dissolution
5. Raining(precipitation)