ROCKS OF THE EARTH
The earth crust consists of rocks. A rock is any mineral material of the earth. It may be a combination of different mineral element such as silica which contains silicon… Read More »ROCKS OF THE EARTH
ROCKS OF THE EARTH
The earth crust consists of rocks. A rock is any mineral material of the earth. It may be a combination of different mineral element such as silica which contains silicon… Read More »ROCKS OF THE EARTH