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प्रश्न
What is sills?
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उत्तर
Sills are horizontal intrusions of magma that have forced their way between layers of existing rock and solidified there. Unlike dykes, which cut vertically across rock layers, sills lie parallel to the bedding planes. When the magma cools and hardens in these horizontal cracks, it forms a flat, sheet-like body of igneous rock.
संबंधित प्रश्न
Why is coal hard and chunky?
What are minerals?
Classify the following rocks by selecting the correct option given below:
shale
Classify the following rocks by selecting the correct option given below:
sandstone
Give one difference between Extrusive igneous and Intrusive igneous rocks.
Distinguish between the following:
Plutonic and Volcanic rocks.
State the types of rocks for the formation of which the following process is involved.
Solidification of magma on the surface of the earth.
Classify the following rock: Slate
Classify the following rock: Graphite
Give one word for the following.
The outer layer of the earth.
Give one term for the following statement:
Formed when mud layers compacted under great pressure composing 80% of this rock.
Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
Which of the following monuments are built-in igneous rock?
- The Taj Mahal
- Fort Raigad
- The Red Fort
- Ellora Sculpture
Diamond is an example of _______ rock.
The two types of Intrusive Igneous rocks are ______.
______ into slate caused by thermal metamorphism.
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following.
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
Match the following:
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
