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प्रश्न
How are chemically-formed sedimentary rocks formed? Give examples.
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उत्तर
Chemically formed sedimentary rocks are formed through chemical action of water. Some mineral like limestones and salts are dissolved into the water and after the evaporation of water form a particular type of rock which is formed by the chemical sedimentation of limestones into gypsum and salt into various types of nitrates.
संबंधित प्रश्न
Fill in the blank
Granite is an example of intrusive ________ rocks.
Write True or False. Rewrite the false statement correctly :
Igneous and sedimentary rocks can change into metamorphic rocks.
Classify the following rocks by selecting the correct option given below:
sandstone
Which rocks are associated with fossil fuels?
Explain this term associated with rocks: Lithification of Rocks.
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.
How are sedimentary and igneous rocks formed?
How are chemically-formed sedimentary rocks produced?
Give some examples of metamorphic rocks formed from sedimentary and igneous rocks.
Classify the following rock: Limestone
Classify the following rock: Marble
Give one word for the following.
The core of the earth occupied by rock in iron and nickel.
Give one example of an area of: Sedimentary rocks in India
______ is known as the primary rocks.
This is the storehouse of rocks.
Explain the type of Igneous Rocks.
______ rocks are also known as stratified rocks.
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.
