The molten material found inside the earth is called

Which one of the following is the appropriate reason for considering the Gondwana rocks as most important of rock systems of India?

Which one of the following rock systems in India is the main source of coal deposits?

Identify the Mineral on the basis of the following characteristics relating to it : I. It is usually a greenish crystal. II. It is often found in basaltic rocks. III. Magnesium, iron and silica are i…

Quartzite is metamorphosed from which one of the following rocks?

Which of the following rock systems in India is the latest one?