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प्रश्न
Find the difference between
Igneous and sedimentary rocks
उत्तर
Igneous Rocks | Sedimentary Rocks |
These are formed due to the cooling and solidification of ‘magma’ and ‘lava’. | These rocks are formed due to continuous deposition and compaction of weathered pieces of rocks transported to various places by wind, glaciers, rivers, etc. |
These are hard, homogeneous, and heavy rocks. | These are brittle, layered, and light in weight. |
They lack fossils. | They show the presence of fossils. |
Example: Basalt, Granite, etc. | Example: Sandstone, limestone, etc. |
संबंधित प्रश्न
Fill in the blank
Conglomerate is an example of _____________ rocks.
What are metamorphic rocks?
Distinguish between the following: Plutonic and Volcanic rocks.
How are rocks important to us?
Sedimentary rocks are also called stratified rocks. Why?
Give one word for the following.
The outer layer of the earth.
Give one word for the following.
The lower part of ocean floor, comprising mainly of silica.
Give one word for the following.
Igneous rocks, which contain a high percentage of silica.
Fill in the blanks
Extrusive rocks are also known as ______ rocks.
Which one of the following is the most widespread most and productive category of soil.
Volcanic mountains are covered with sedimentary rocks.
How are igneous rocks formed?
How are sedimentary rocks formed?
The oldest sedimentary rocks of the world have been identified in ______.
Sedimentary rocks are called stratified rocks.
State the characteristics of Metamorphic rocks.
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 |
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 |