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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
Sedimentary rocks such as limestone change into ___________.
Explain the structure of the earth’s interior?
Which rocks are associated with ores of metals?
Which agents are responsible for deposition of sediments?
How are sedimentary rocks formed?
What is metamorphism?
In what type of rocks do you find fossils and why?
Classify the following rock: Dolomite
Classify the following rock: Peat
Classify the following rock: Limestone
Classify the following rock: Loess
Classify the following rock: Quartzite
Give one word for the following.
The outer layer of the earth.
Give one word for the following.
Rocks formed by the cooling and solidification of molten rock from beneath the earth crust.
Fill in the blanks
______ is the best example of the wind deposited stratified rock.
Give one example of an area of: Metamorphic rocks,
Give one example of an area of: Sedimentary rocks in India
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.
| Group A | Group B | ||
| A. | Basalt | 1. | Anthracite |
| B. | Limestone | 2. | Extrusive igneous |
| C. | Coal | 3. | Metamorphic rock |
| D. | Gneiss | 4. | Sedimentary rock |
