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Shield volcanoes are fed by basaltic magma.

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Does the lava that forms shield volcanoes probably have a lot of silica or water in it?

No. Shield volcanoes form from basaltic lava with a low silica content and a low water content.


Does a shield volcano have runny lava?

In volcanoes that have lower amounts of volcanic gases in the magma. A good example is the volcanoes in the Hawaiian islands. Volcanoes with more gases in the magma tend to erupt explosively (Mt. St. Helens, Vesuvius) and have a thicker, slower moving lava.


What kind of volcano form from lava that is higher in water and silica content than lava that forms shield volcanoes?

Explosive stratovolcanoes form from lava that is higher in water and silica content than the lava that forms shield volcanoes. The high viscosity of this type of lava traps gases, leading to explosive eruptions that can eject ash, rock fragments, and lava at high speeds. This creates steep-sided volcanic cones with alternating layers of ash, lava, and volcanic rocks.


Of the three primary forms of subaerial volcanoes consist of alternating layers of tephra and solidified lava?

The three primary forms of subaerial volcanoes are stratovolcanoes, shield volcanoes, and cinder cone volcanoes. Stratovolcanoes are characterized by alternating layers of tephra and solidified lava due to their explosive eruptions and lava flows. Shield volcanoes have gentle slopes formed from successive lava flows with occasional tephra layers. Cinder cone volcanoes are small, steep-sided volcanoes made up almost entirely of tephra fragments from explosive eruptions.


What type of rock makes shield volcanoes?

Shield volcanoes are typically formed from basaltic lava flows, which are low in silica content and very fluid. This type of lava allows for the gradual buildup of wide, gently sloping volcanic cones characteristic of shield volcanoes.

Related Questions

What kind of volcano forms from lava that is higher in water and silica content than lava that forms shield volcanoes?

cinder cone


Does the lava that forms shield volcanoes probably have a lot of silica or water in it?

No. Shield volcanoes form from basaltic lava with a low silica content and a low water content.


What kind of volcanoe is formed by slow lava flow?

Shield volcanoes.


What kind of volcanoes are there?

There are four main types of volcanoes. These include shield volcanoes, cinder cones, composite volcanoes, and lava domes.


Are hawaiian islands spatter cones?

No, they're shield volcanoes. The lava in spatter cones is highly viscous whereas the lava that forms shield volcanoes (that you can see flowing in Hawaii) has a very low viscosity. Shield volcanoes are low profile, broad lumps; these are the Hawaiian islands.


Shield volcanoes are almost entirely composed of this kind of very fluid lava.?

Basaltic lava (low in silica).


Does a shield volcano have runny lava?

In volcanoes that have lower amounts of volcanic gases in the magma. A good example is the volcanoes in the Hawaiian islands. Volcanoes with more gases in the magma tend to erupt explosively (Mt. St. Helens, Vesuvius) and have a thicker, slower moving lava.


What kind of volcano form from lava that is higher in water and silica content than lava that forms shield volcanoes?

Explosive stratovolcanoes form from lava that is higher in water and silica content than the lava that forms shield volcanoes. The high viscosity of this type of lava traps gases, leading to explosive eruptions that can eject ash, rock fragments, and lava at high speeds. This creates steep-sided volcanic cones with alternating layers of ash, lava, and volcanic rocks.


What do shield volcanoes form?

Lava


Of the three primary forms of subaerial volcanoes consist of alternating layers of tephra and solidified lava?

The three primary forms of subaerial volcanoes are stratovolcanoes, shield volcanoes, and cinder cone volcanoes. Stratovolcanoes are characterized by alternating layers of tephra and solidified lava due to their explosive eruptions and lava flows. Shield volcanoes have gentle slopes formed from successive lava flows with occasional tephra layers. Cinder cone volcanoes are small, steep-sided volcanoes made up almost entirely of tephra fragments from explosive eruptions.


What type of rock makes shield volcanoes?

Shield volcanoes are typically formed from basaltic lava flows, which are low in silica content and very fluid. This type of lava allows for the gradual buildup of wide, gently sloping volcanic cones characteristic of shield volcanoes.


Is a shield volcano and a lava dome volcano the same?

No. A shield volcano is a large, broad sloping volcano that forms over a long period of time as successive low-viscosity basaltic lava flows build on top of one another. A lava dome is a smaller, steep-sloped structure that forms fairly quickly as very viscous lava (usually rhyolite or dacite) builds up, but is too viscous to flow away.