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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
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
Classify the following rocks by selecting the correct option given below:
Gneiss
Classify the following rocks by selecting the correct option given below:
sandstone
Classify the following rocks by selecting the correct option given below:
basalt
Explain the structure of the earth’s interior?
Give two examples of metamorphic rocks.
Explain this term associated with rocks: Laccoliths and Batholiths
Explain this term associated with rocks: Metamorphism
Distinguish between the following:
Sills and Dykes.
State the types of rocks for the formation of which the following process is involved.
Decomposition of organic matter at different stages and over different periods of time.
Name the main types of rocks.
How are sedimentary and igneous rocks formed?
Classify the following rock: Rock salt
Give one word for the following.
The upper part of lithosphere, which is rich in silica and aluminium.
Fill in the blanks
______ rocks cover wide area in Peninsular India and Columbia, the Snake Plateau of the U.S.A.
Give one term for the following statement:
Igneous rocks of deep seated origin.
Why are the Igneous Rocks called Primary Rocks?
How is Plutonic rock formed?
How are igneous rocks formed?
Parent Rock is converted to loose Rock by ______.
Lava comes out from a volcano.
Oldest Sedimentary rocks of the world has been identified in Green land.
Minerals exist in nature ¡n the form of ______ or ______.
The world Igneous is derived from the Latin word ______ meaning ______.
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.
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.
