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प्रश्न
Mention any two characteristics of Sedimentary Rocks.
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उत्तर
- Sedimentary rocks are formed from material derived from other rocks, including plant and animal remains. These rocks thus contain fossils.
- Sedimentary rocks are generally not crystalline. They are soft and layered, as they are formed by deposition of sediments.
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संबंधित प्रश्न
Fill in the blank
Sedimentary rocks are formed from _____________ accumulated over long periods.
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
State two characteristics of the mantle.
What is the difference between the inner and the outer core?
Distinguish between the following:
Thermal and Dynamic Metamorphism.
State the types of rocks for the formation of which the following process is involved.
Formation of large crystals, coarse texture and slow cooling and compaction.
Classify the igneous rocks on the basis of their place of origin.
State the chief characteristics of metamorphic rocks.
Classify the following rock: Rock salt
Classify the following rock: Marble
Give one word for the following.
A sedimentary rock, which is composed of microscopically fine, soft and smooth particles.
Find the difference between:
Igneous and sedimentary rocks
Choose the incorrect statement from the following.
How are igneous rocks formed?
Explain Dynamic Metamorphism.
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.
| Group A | Group B | ||
| 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.
