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प्रश्न
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
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उत्तर
Basic igneous rocks
संबंधित प्रश्न
Which rocks are associated with ores of metals?
What are known as metamorphic rocks?
Explain this term associated with rocks: Lithification of Rocks.
Distinguish between the following:
Sills and Dykes.
State the types of rocks for the formation of which the following process is involved.
Solidification of magma on the surface of the earth.
State the types of rocks for the formation of which the following process is involved.
Accumulation takes place over long periods of time in seas, lakes and streams.
What are the causes of metamorphism?
Differentiate between Rock and Mineral
Classify the following rock: Clay
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
Fill in the blanks
The interior layer is the core, which is made up mainly of iron and nickel, and is called ______.
How are sedimentary rocks classified?
Give one term for the following statement:
Formed when mud layers compacted under great pressure composing 80% of this rock.
Volcanic mountains are covered with sedimentary rocks.
What are the uses of soil?
What is thermal metamorphism?
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
