The word metamorphic means lsquo change of forms rsquo Consider the following statements about metam...........

Geography NCERT

The word metamorphic means ‘change of forms’. Consider the following statements about metamorphic rocks and mark the correct statement/s.

Arrangement of minerals or grains in metamorphic rocks is called lineation.
Structure of materials of different groups arranged into thick to thin layers is called banding.

Code:

1 Only

2 Only

Both 1 and 2

Neither 1 nor 2

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Explanation:

In the process of metamorphism in some rocks grains or minerals get arranged in layers or lines. Such an arrangement of minerals or grains in metamorphic rocks is called foliation or lineation.

Sometimes minerals or materials of different groups are arranged into alternating thin to thick layers appearing in light and dark shades. Such a structure in metamorphic rocks is called banding and rocks displaying banding are called banded rocks. Types of metamorphic rocks depend upon original rocks that were subjected to metamorphism.