Question

discuss the features of primary rocks​

Answer 1

Answer: The features of primary rocks are as follows:

1. They are also known as igneous rocks and are formed by the cooling and solidification of molten magma.

2. They are hard, compact and non- porous.

3. The igneous rocks can be intrusive or extrusive, based on the location of the solidification of magma.

4. They are non- layered.

5. Fossils are absent from them.

6. They form the basis of formation of all other rocks by the erosion and deposition of igneous rock materials.

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