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What materials does the composite volcano have after erupting?
After erupting, a composite volcano (stratovolcano) can have various materials including layers of hardened lava, volcanic ash, volcanic rocks, and pyroclastic flows. These materials are formed during the eruption process and can create the characteristic cone shape of composite volcanoes.
What is the difference between a composite and shield a Volcano?
Shield Volcanoes erupt less violently and flows further then composite volcanoes. A composite volcano erupts more violently.
What are the differences between the 3 types of volcanoes?
Active volcanoes are erupting or has erupted recently. Dormant volcanoes haven't been erupting recently, but may erupt in the future. They could be considered "sleeping". Extinct volcanoes will never erupt again.
Why are there different shaped volcanoes?
Different shaped volcanoes occur because of the way the magma flows. Three types of volcanoes are shield, composite, and caldera.
Why is it that pahoehoe and AA lava are more frequent in shield volcanoes than in composite volcanoes?
Shield volcanoes have low viscosity basaltic lava, which typically creates pahoehoe and AA lava flows due to their ability to flow easily. Composite volcanoes have higher viscosity lava, such as andesitic or dacitic, which tend to form thicker and blockier lava flows rather than pahoehoe and AA flows.
What type of volcano is eruptions generally propuce pyroclastic flows of toxic gases?
Stratovolcanoes, also known as composite volcanoes, are the type of volcanoes that typically produce pyroclastic flows and toxic gas emissions during eruptions. These volcanoes are characterized by their steep profiles and explosive eruption styles, which result from the high viscosity of their magma. The combination of gas buildup and the collapse of erupting columns can lead to the formation of dangerous pyroclastic flows, carrying hot gases and volcanic materials down their slopes.
What destructive forces are associated with composite volcanoes?
Composite volcanoes are associated with explosive eruptions, pyroclastic flows, lava flows, ashfall, and lahars (mudflows). These destructive forces can pose risks to nearby communities by causing significant damage to infrastructure, landscapes, and the environment. Eruptions from composite volcanoes can be highly unpredictable and have the potential to impact large areas.
What are the three different volcanoes?
The three different types of volcanoes include the following; shield volcanoes, composite volcanoes, and the cinder cone volcanoes. These all have their names because of the size and shape of the out rocks of the actual volcano itself.
How do composite volcanoes form?
Composite volcanoes form from alternating layers of lava flows, ash, and volcanic rocks that build up over time. This type of volcano is created by a combination of explosive eruptions and lava flows, which allow for the formation of the steep symmetrical shape commonly associated with composite volcanoes.
What are all kinds of volcanoes?
The main types of volcanoes are stratovolcanoes (composite volcanoes), shield volcanoes, cinder cone volcanoes, and lava dome volcanoes. Stratovolcanoes have steep slopes due to the alternating layers of lava flows, ash, and other volcanic debris. Shield volcanoes have gentle slopes due to the low-viscosity lava flows. Cinder cone volcanoes are small and steep-sided, formed from explosive eruptions. Lava dome volcanoes are formed from slow, viscous lava flows piling up near the vent.
Does a composite volcano have an Aa type of lava?
A'a can occur at composite volcanoes, but block lava flows, which are far more viscous, are more common.
What are three facts about composite volcanoes?
Multiple eruptions form composite volcanoes. Andesite magma is the most common type of magma that erupts from composite volcanoes. Composite volcanoes can grow so high that their slopes become unstable and collapse.
