Shield volcanoes are fed by basaltic magma.
A shield volcano has very runny lava; it has low silica, which makes it have low viscosity (thickness of a fluid).
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Basaltic lava.
low silica
Cinder-Cone Volcanoes and Composite Volcanoes
cinder cone
No. Shield volcanoes form from basaltic lava with a low silica content and a low water content.
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.
Pyroclastic flows don't come from shield volcanoes. They come from cinder cone and sometimes composite volcanoes. Shield volcanoes only erupt runny lava.
cinder cone
Cinder-Cone Volcanoes and Composite Volcanoes
cinder cone
No. Shield volcanoes form from basaltic lava with a low silica content and a low water content.
Shield volcanoes.
There are four main types of volcanoes. These include shield volcanoes, cinder cones, composite volcanoes, and lava domes.
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.
Basaltic lava (low in silica).
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.
Lava
Pyroclastic flows don't come from shield volcanoes. They come from cinder cone and sometimes composite volcanoes. Shield volcanoes only erupt runny lava.
Shield volcanoes almost always emit very fluid or runny lava that spreads over a wide distance, so these volcanoes are not steep.Yes and no, it depends where and how the volcano forms, when it discombobulates, and so on.