Advertisements
Advertisements
Question
How are extrusive and intrusive rocks formed?
Advertisements
Solution
When the molten lava comes on the earth’s surface, it rapidly cools down and becomes solid. Rocks formed in this way on the crust are extrusive igneous rocks.
Sometimes the molten magma cools down deep inside the earth’s crust. Solid rocks so formed are actually intrusive igneous rocks.
RELATED QUESTIONS
What do you mean by a rock cycle?
Tick the correct answer
Gold, petroleum and coal are examples of
Tick the correct answer
The thinnest layer of the earth is
Give reasons
Limestone is changed into marble.
What are minerals?
What is the mineral most commonly used in the following object?
What is the mineral most commonly used in the following object?
What is the mineral most commonly used in the following object?
What is the mineral most commonly used in the following object?
What is the mineral most commonly used in the following object?
