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प्रश्न
Distinguish between the following:
Sills and Dykes.
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उत्तर
| Sills | Dykes |
| The collection of magma between layers of rocks is called a sill. | The fillings of magma in the cracks or fissures of rocks are called dykes. |
| Horizontal intrusions of magma. | Vertical or steeply inclined intrusions of magma. |
| Form between existing layers of rock. | Cut across existing rock layers. |
| Magma spreads sideways and solidifies in sheets. | Magma moves upward through cracks and hardens. |
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Granite is an example of intrusive ________ rocks.
Fill in the blank
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Write True or False. Rewrite the false statement correctly :
Sedimentary rocks are formed by the cooling and solidification of molten rock called magma
Give two examples of sedimentary rocks.
Explain this term associated with rocks: Metamorphism
Distinguish between the following:
Calcarious and Carbonacious rocks.
Distinguish between the following:
Acid Igneous Rocks and Basic Igneous Rocks.
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How are igneous rocks classified on the basis of their chemical composition?
What are the causes of metamorphism?
What are metamorphic rocks?
Classify the following rock: Graphite
Give one word for the following.
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Give one word for the following.
The core of the earth occupied by rock in iron and nickel.
Fill in the blanks
Extrusive rocks are also known as ______ rocks.
Statement (1): Sedimentary rocks consist of many layers.
Statement (2): Sedimentary rocks are formed by the sediments deposited at different points of time.
Igneous Rocks are ______ rocks.
______ refer to rock in Greek.
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.
