Question

what are the major basis of classification of rocks​

Answer 1

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CLASSIFICATION The classification of rocks is based on two criteria, TEXTURE and COMPOSITION. The texture has to do with the sizes and shapes of mineral grains and other constituents in a rock, and how these sizes and shapes relate to each other. Such factors are controlled by the process which formed the rock.

Answer 2

The classification of rocks are two criteria:

☆Texture

☆Composition