Question Q.7 (continuation)GS1GS2

Describe the nature and mode of origin of the main types of rock at the earth's crust.

Main Body

Sedimentary - formed after igneous rock undergoes chemical or organic transformations.occurs with fossilsin layers (bending)

Metamorphic - formed by dynamic or contact forced in the igneous/sedimentary rocksresult of thermal or pressure situation.characteristics include foliation, banding. (2) Slate, Schist, Marble.

These rocks depict a cyclical nature in form of (ROCK CYCLE)

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DIVYA

AIR 1822025

Subject & Paper

GS1GS2

Topic

Geography - Geology

Types of Rocks - Sedimentary and Metamorphic

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