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प्रश्न
Explain the formation of sedimentary rocks on the basis of agents of formation.
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उत्तर
There are five main types of rocks on the basis of agents of formation:
- Riverine Rocks These are formed by the sediments deposited by running water or a river.
- Lacustrine Rocks These are formed by the deposition of silt, etc., on the bed of lakes.
- Glacial Rocks These are formed by the debris carried off and deposited by glaciers.
- Aeolian Rocks These are formed by the deposition of sand accumulation by the wind.
- Marine Rocks These are formed by the deposition of sediments at the ocean floor. These types are calcareous and carbonaceous sedimentary rocks.
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संबंधित प्रश्न
What is crust?
Classify the following rocks by selecting the correct option given below:
limestone
Describe the process that leads to exfoliation.
What is Geology?
Distinguish between the following:
Thermal and Dynamic Metamorphism.
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.
How are sedimentary rocks formed?
What is meant by a rock?
Classify the following rock: Loess
Classify the following rock: Slate
Give one word for the following.
Stratified rock formed organically but from vegetative matter-swamps and forests.
Give one word for the following.
The best example of chemically-formed sedimentary rock, which has been formed by the evaporation of water from solution containing minerals.
Give one example of an area of: Igneous rocks
______ is known as the primary rocks.
Volcanic mountains are covered with sedimentary rocks.
What are metamorphic rocks?
Explain the type of Igneous Rocks.
______ rocks are also known as stratified rocks.
Intrusive Igneous rocks are also called ______ rocks.
