Question

classify igeneous rock based on their origin and give example of each​

Answer 1

Answer:

Igneous rocks can be divided into four categories based on their chemical composition: felsic, intermediate, mafic, and ultramafic. The diagram of Bowen's reaction series (Figure 7.6) shows that differences in chemical composition correspond to differences in the types of minerals within an igneous rock.

Cooling rate: Slow: surrounding rocks insulate the magma chamber

Texture: Phaneritic (coarse-grained): individual crystals are large enough to see with...

Explanation:

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Answer 2

Answer:

Diorite, granite, pegmatite are examples of intrusive igneous rocks. Extrusive igneous rocks are rocks that erupt onto the surface resulting in small crystals as the cooling takes place quickly. The cooling rate for a few rocks is so quick that they form an amorphous glass. Basalt, tuff, pumice are examples of extrusive igneous rock.

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