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प्रश्न
How are sedimentary rocks formed?
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उत्तर
Continuous deposition of sediments of silt, soil, debris, etc. by water, wind, and ice along lower landforms and solidification into different layers result in the formation of light sedimentary rocks.
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संबंधित प्रश्न
Rocks and minerals play a very important role in our lives.
Can you imagine modern life without minerals?
Differentiate between SIAL and SIMA.
Classify the following rocks by selecting the correct option given below:
shale
With the help of your teacher, collect different types of rocks such as granite, sandstone, limestone, marble, slate, graphite, etc. and prepare a chart containing information about their colour, hardness, texture, and permeability.
Why are the igneous rocks also called the primary rocks?
Name any two characteristics of Igneous Rocks.
What is sills?
State the types of rocks for the formation of which the following process is involved.
Solidification of magma on the surface of the earth.
Distinguish between rocks and minerals.
Classify the igneous rocks on the basis of their place of origin.
What are the causes of metamorphism?
Name different types of sedimentary rocks.
How are sedimentary rocks classified?
Give one term for the following statement:
Type of metamorphism in which changes are caused due to high pressure.
Why fossils are preserved in Sedimentary and not in Igneous rocks?
Give an example of a Plutonic rock.
Diamond is an example of _______ 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.
| Group A | Group B | ||
| 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 |
