मराठी
Tamil Nadu Board of Secondary EducationSSLC (English Medium) Class 8

Revision: Geography >> Rocks and Soils Social Science SSLC (English Medium) Class 8 Tamil Nadu Board of Secondary Education

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Definitions [2]

Define ‘rock’.

The rocks are the solid mineral materials forming a part of the surface of the earth and other similar planets. The earth’s crust is composed of rocks.

Briefly define Mechanical Metamorphism.

Mechanical metamorphism refers to the process where rocks are changed mainly by pressure without much heat. The intense pressure squeezes and rearranges the minerals in the rock, making them more compact and sometimes forming new structures, but without significant chemical change.

 
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