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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
Rocks and minerals play a very important role in our lives.
What problems would you face in their absence?
Fill in the blank
Granite is an example of intrusive ________ rocks.
State two characteristics of the mantle.
Classify the following rocks by selecting the correct option given below:
sandstone
Classify the following rocks by selecting the correct option given below:
schist
Explain this term associated with rocks: Laccoliths and Batholiths
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 is metamorphism?
How are chemically-formed sedimentary rocks produced?
Give one word for the following.
The outer layer of the earth.
Give one word for the following.
Rocks formed by the cooling and solidification of molten rock from beneath the earth crust.
Give one term for the following statement:
Type of metamorphism in which changes are caused due to high pressure.
Give reasons for the following
Man’s habitat is the biosphere and not the lithosphere in the true sense.
Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
This is the storehouse of rocks.
The two types of Intrusive Igneous rocks are ______.
______ are chemical substances which exist in nature.
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 |
