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प्रश्न
What processes are involved in the formation of Igneous Rocks?
उत्तर
Igneous rocks are associated with volcanic activity, cooling of magma and mechanical weathering etc.
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संबंधित प्रश्न
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
Write True or False. Rewrite the false statement correctly :
Minerals are organic substances.
Name two important landforms made by Igneous Rocks.
Name the rocks which are most widespread on the earth.
Which agents are responsible for deposition of sediments?
What are known as metamorphic rocks?
Explain the formation of sedimentary rocks on the basis of agents of formation.
How are sedimentary rocks classified on the basis of their formation?
What are the chief characteristics of metamorphic rocks?
What is meant by a rock?
How are chemically-formed sedimentary rocks formed? Give examples.
Give some examples of metamorphic rocks formed from sedimentary and igneous rocks.
State the properties of metamorphic rocks.
Give reasons for the following
Rocks are of great economic significance.
Match the following:
| (a) | Igneous | (i) | Magma |
| (b) | Sedimentary | (ii) | Transformation |
| (c) | Metamorphic | (iii) | Gypsum |
| (d) | Molten material | (iv) | Basalt |
| (e) | Rock Cycle | (v) | Marble |
The world Igneous is derived from the Latin word ______ meaning ______.
Intrusive Igneous rocks are also called ______ rocks.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
