Earth's crust

Earth's crust is the outer layer of the solid globe, ranging from 10 to 150 km.

The earth's crust consists of rocks and soil

 
Rocks are divided into

 
1. Igneous rocks such as granite and basalt.

 
2. Metamorphic rocks such as marble and gneiss and schist.

 
3. Sedimentary rocks such as limestone and sandstone.

 
  Soil are Divided into.

 
1. Cohesive soil such as clay and silt.

 
2. Non-cohesive soil such as gravel and sand.