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प्रश्न
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.
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उत्तर
Sedimentary rocks.
संबंधित प्रश्न
Why is diamond clear and hard while graphite is soft?
Why is coal hard and chunky?
Write True or False. Rewrite the false statement correctly :
Rocks are used in construction industries.
Differentiate between SIAL and SIMA.
Explain the structure of the earth’s interior?
What is sills?
Briefly define Mechanical Metamorphism.
Explain this term associated with rocks: Lithification of Rocks.
How are sedimentary and igneous rocks formed?
Classify the following rock: Limestone
Classify the following rock: Loess
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
Give reasons for the following
Man’s habitat is the biosphere and not the lithosphere in the true sense.
Fill in the blank below:
______are intrusions of igneous rock that are vertical in shape
______ is the kind of metamorphic rock using which Taj Mahal was built.
What are metamorphic rocks?
______ rocks are also called Primary rocks.
Match the following:
| Group 'A' | Group 'B' | ||
| A. | Granite | 1. | Bedrock |
| B. | Soil layer | 2. | Plutonic rock |
| C. | Barren island | 3. | Strip farming |
| D. | Soil conservation | 4. | Active Volcano |
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.
