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प्रश्न
State two characteristics of the mantle.
State two chief characteristics of the mantle.
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उत्तर
- The mantle is semi-solid.
- It is rich in iron and magnesium.
- This layer is about 2,850 km wide. Its average density is between 3.5 and 5.5.
संबंधित प्रश्न
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
Classify the following rocks by selecting the correct option given below:
marble
Explain the structure of the earth’s interior?
How are rocks different from minerals?
Name any three elements of the earth’s crust.
Which rocks are associated with fossil fuels?
Distinguish between the following:
Acid Igneous Rocks and Basic Igneous Rocks.
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.
How are igneous rocks classified on the basis of their chemical composition?
What is meant by a rock?
In what type of rocks do you find fossils and why?
Distinguish between Regional and Contact metamorphism.
Classify the following rock: Clay
Classify the following rock: Quartzite
Classify the following rock: Slate
Classify the following rock: Schist
Give one word for the following.
Rocks formed by the cooling and solidification of molten rock from beneath the earth crust.
Give one word for the following.
Igneous rocks, which contain a low percentage of silica.
Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
Which Soils are formed by the weathering of metamorphic rocks?
The two types of Intrusive Igneous rocks are ______.
______ into slate caused by thermal metamorphism.
Parent Rock is converted to loose Rock by ______.
Explain the type of Igneous Rocks.
What are the characteristics of Sedimentary rocks?
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
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 |
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
