Geography Grade 9: Material of Earth's Crust | Rock Cycle | Chapter 05 | Part 05

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Geography (Grade 9): High School Learning
Geography Grade 9: Material of Earth's Crust | Rock Cycle | Chapter 05 | Part 05

- Exposed to Atmosphere.

- Igneous Rocks to Sedimentary Rocks
1- Exposed to atmosphere
2- Weathered and Eroded
3- Formation of Sediments
4- Deposition
5- Compaction and Comentation

Sedimentary Rocks to Igneous Rocks
1- Melt due to heat of magma and friction.
2- Erupted again on Surface.
3- Struck within the Crust
4- Cooling and Solidification.
Igneous rocks to Metamorphic Rocks
1- Heat and Pressure
2- Conversation to Metamorphic Rocks.
Sedimentary Rocks to Metamorphic Rocks
1- Heat and Pressure
2- Conversation to Metamorphic Rocks
Metamorphic to Igneous Rocks
1- Melted due to heat of magma and friction.
2- Formation of Sediments.

Rock Cycle :
Diagram Representing Rock Cycle.

Importance
1- Formation of Soil.
2- Fossils
3- Formation of new Minerals , ores and Gem Stones.

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Tags
earth crust, earth minerals

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