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Fissures form when rocks are under stress and begin to crack or fracture, often due to tectonic activity, volcanic activity, or changes in temperature and pressure. These cracks can develop into long, narrow openings in the Earth's surface, allowing magma or fluids to move towards the surface.

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Is it true that fissures are cracks in rock?

Yes, fissures are cracks in rock that occur due to stress, pressure, or movement within the Earth's crust. They can vary in size from small openings to long fractures that extend for great distances. Fissures can play a significant role in processes such as rock weathering, fluid movement, and the formation of geologic features.


What are large cracks in the earth's crust that can open up and allow lava to ooze out onto the ground and form extrusive igneous rocks?

Large cracks in the earth's crust that allow lava to flow onto the surface and solidify into extrusive igneous rocks are called fissures or volcanic rifts. These openings are often associated with volcanic activity and can result in the formation of features such as lava plateaus or volcanic fields.


What is the movement caused by the sudden shift of of the earths plates called?

Are they not called fissures RESPONSE TO: Are they not called fissures They are so not called fissures. Fissures are way different from what the question is. Now think, what type of movement do you feel when an earthquake happens. Of course, SHAKING.


How do mud cracks form?

Mud cracks form when mud or clay dries out and shrinks, causing the surface to crack. As the material dries, it contracts and pulls apart, creating fissures or cracks. Factors like sunlight, wind, and temperature fluctuations can accelerate the drying process and contribute to the formation of mud cracks.


Are volcano's mountains?

Not all volcanoes are mountains though most do form mountains. Some volcanoes form as simple fissures in the ground. There is a so-called supervolcano in Yellowstone that, does not take the form of a mountain. Kimberlite volcanoes also erupt too violently to form mountains.

Related Questions

Are there any volcanoes on the seabed?

Yes molten rocks in the form of lava escape from the Earth mantle through fissures in the seabed Yes molten rocks in the form of lava escape from the Earth mantle through fissures in the seabed


A set of deep fractures?

Fissures THAT IS THE ANSWER


Lava plateaus forms when?

Lava plateaus form when fluid basaltic lava flows out of fissures.


What is the definition of brain fissures?

Brain fissures are convolutions in the structure of the brain that form valleys between folds. The valleys are called fissures or sulci (plural of sulcus), and lie between the raised folds called gyri (singular gyrus).Many brain features are identified with fissures, including Broca's fissure, the Fissure of Sylvius, the central (Rolando's) fissure, and the hippocampal fissure.


How do you say the word fissures?

"Fissures" is pronounced as "FI-sherz."


When large amounts of lava flows out of fissures onto land the lava can cover a large area and form a plain called what?

a plateau


How fast can proctosedyl ointment help fissures?

Can proctosedyl ointment help fissures


What are the ratings and certificates for Fissures - 2009?

Fissures - 2009 is rated/received certificates of: France:U


What is the movement along the earths surface caused by an earthquake?

Are they not called fissures RESPONSE TO: Are they not called fissures They are so not called fissures. Fissures are way different from what the question is. Now think, what type of movement do you feel when an earthquake happens. Of course, SHAKING.


What is the movement along the earths surface caused by earthquake?

Are they not called fissures RESPONSE TO: Are they not called fissures They are so not called fissures. Fissures are way different from what the question is. Now think, what type of movement do you feel when an earthquake happens. Of course, SHAKING.


When large amount lava flows out of fissures onto land the lava can cover a large area and form a plain called?

Plateau


When a large amount of lava flows out of fissures onto land the lava can cover a large area and form a plain called what?

a plateau