Ash and Gas make composite volcanoes erupt i believe
Yes. Composite volcanoes often produce violent eruptions.
Cinder cone volcanoes erupt explosively, but not as violently as composite volcanoes.
No. Composite volcanoes erupt mostly ash and pumice.
Composite volcanoes usually do not erupt mafic material. Intermediate material is the most common. The mafic material they do erupt is usually basalt.
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Shield Volcanoes erupt less violently and flows further then composite volcanoes. A composite volcano erupts more violently.
Did you know that composite volcanoes make up 60% of the Earths volcanoes. Composite volcanoes don't always have to erupt from the top. They can have many magma chambers and can erupt from the sides. They can be made of basalt, rhyolite and/or andesite. They erupt both ash and lava. The lava is very thick. When the time comes for the volcano to erupt they start to become very quiet. (Sneaky eh?)
Composite volcanoes erupt the most violently.
Anywhere from 24 hours to a full week.
Composite volcanoes, also known as stratovolcanoes, can erupt sporadically, with some remaining dormant for hundreds to thousands of years between eruptions. The frequency of eruptions can vary greatly depending on the individual volcano and its location. Some composite volcanoes may erupt multiple times within a century, while others may have longer intervals between eruptions.
Yes. Composite volcanoes often have a high gas content in their magma, which is why they often erupt explosively.
The average composition of magma in a composite volcano is andesitic. Composite volcanoes are highly variable though. They can erupt anything from basalt to rhyolite.