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प्रश्न
Distinguish between the following pair of terms associated with vulcanicity:
Geysers and Hot Springs
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उत्तर १
| Geysers | Hot Springs |
| In a geyser, hot water and steam are thrown out at intervals in the form of a fountain. There is an old faithful geyser which erupts out exactly in a one-hour interval, these are about 100 geysers. | In a hot spring, the heated water flows out continuously without any eruptive activity such hot springs are common in Yellow stone park U.S.A. Badrinath and Mani Karan in India. These hot springs are very healthy for a bath. |
उत्तर २
Hot Springs :
- It is a stream of hot water issuing from the ground. The hot water flows unobstructed quietly and continuously.
- Hot springs are common where joints fissures and porous beds allow the free exit of water to the surface. The water becomes hot when it comes into contact with the heated rocks or upper heated steam lying deep into the earth’s crust.
Geysers :
- It is a hot spring which at regular or irregular intervals throws a jet of hot water and steam into the air.
- In the case of geyser, the fissure or vent connecting the source of hot water to the surface is very narrow which greatly increases the pressure and temperature of the hot water and so when water comes out it rises high into the air.
संबंधित प्रश्न
Give an example each of conical volcano and fissure volcano.
What do you understand by ‘Vulcanism’?
What do you understand by ‘Crater of the Volcano’?
What is the following:
Mud volcanoes
Distinguish between the following pair of terms associated with vulcanicity:
Fissure-type Volcanoes and Central-types Volcanoes
Distinguish between the following pairs of terms associated with the crustal movement of the earth:
Tilted Block mountains and Lifted Block mountains
Answer the following
The vent of a volcano when blocked results in an explosive eruption.
Give reasons for the following:
Earth’s movements have modified the Earth’s surface.
Name one useful feature of vulcanicity other than soil fertility.
Explain three major zones of volcanic activities in the world.
