Granite Rocks Sima - The Oceanic Crust
SIAL - The Continental Crust
Mantle forms the second layer
1. Inner core
2. Outer core
Rocks are Igneous Rocks, Sedimentary Rocks, Metamorphic Rocks.
Formed when original structure of igneous & sedimentary rocks partially or wholly change under the action of heat & pressure.
1. Fold Mountains
2. Block Mountains
3. Volcanic Mountains
4. Residual / Dissected / Relict Mountains
Plains may be grouped into 3 major types based on their mode of formation viz.
|1. What is the Earth's crust made of?|
|2. How thick is the Earth's crust?|
|3. What are the major tectonic plates that make up the Earth's crust?|
|4. How do tectonic plates affect the Earth's crust?|
|5. Can the Earth's crust change over time?|