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Despite the very hot temperatures, volcanic flows behave a lot like water, and after being expelled from the volcano will flow downhill. Eventually they will cool and harden.
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Lava flows and volcanic ash are examples of magma that has reached the earth's surface.?
True!
Are Some regions of the world are capped with volcanic flows which are thousands of feet thick?
yes.
Dacite is what type of?
A light gray volcanic rock containing a mixture of plagioclase and other crystalline minerals in glassy silica, similar in appearance to rhyolite.
How is a volcanic mountain formed?
Actually, volcanic mountains are formed like so.They start out as cracks in the earth's surface called a volcanic vent, and when magma erupts out of the ground as lava flows, clouds as of and explosions of rock gather. Material falls back to Earth around the vent and piles up around it.
The most violent volcanic activity is associated with?
The most violent volcanic explosions are usually generated from composite volcanoes and andesitic lava flows. These types of eruptions can throw lava and other debris several miles into the atmosphere.
How topography influences volcanic flows?
explain how topography influences volcanic flows
How does topography influences volcanic flow?
explain how topography influences volcanic flows
Is it True or false volcanic eruptions cause damage only when they are close to the craters rim?
False. Volcanic eruptions can cause damage beyond the crater's rim. Lava flows, pyroclastic flows, ashfall, volcanic gases, and lahars (volcanic mudflows) can all pose hazards and cause damage far beyond the immediate vicinity of the volcano. The extent of damage depends on the size and intensity of the eruption, as well as topography and prevailing wind patterns.
Can volcanic eruption and seismic tremors produce large mudflows and debris flows?
Yes. Earthquakes and volcanic eruptions can cause debris flows. Volcanic eruptions can mudflows called lahars.
What are the types of volcanic flows?
pyroclastic and convectional.
Are lava flows on mercury?
No. There is no volcanic activity on Mercury.
Is Viti Levu a volcanic island?
Yes, Viti Levu is a volcanic island which composed of lava flows and other volcanic materials.
What is liquid magma that flows from a volcanic vent called?
Ava
Why does the Amazon flow east?
Water flows downhill, and the topography of that region just happens to be downhill to the east.
What happen in volcanic eruption?
Magma flows onto surrounding Landscape.
What is the part of the volcano called where the magma flows out of?
This is known as a volcanic vent.
What builds volcanic mountains?
Volcanic mountains form as layers of lava flows and/or pyroclastic material pile up from successive eruptions.
