they are calderas collapse structures
The most common structure of volcanoes is a conical shape with a central vent or crater at the summit. This shape is often formed by layers of lava and ash building up over time as the volcano erupts. Volcanoes can also take other shapes such as shield volcanoes or stratovolcanoes, depending on the type of eruption and the composition of the magma.
Volcanoes can be classified based on their eruption style, shape, and location. Common types include shield volcanoes with broad, gently sloping sides, stratovolcanoes with steep sides and explosive eruptions, and cinder cone volcanoes with steep sides and a small crater. They are often found along tectonic plate boundaries or hot spots in the Earth's crust.
Composite cones are steep sided, cone shaped volcanoes that produce explosive eruptions.Composite volcanoes have broad bases and steep sides. These volcanoes usually have a large crater at the top. The crater was created during the volcano's last eruption.Composite volcanoes are also called stratovolcanoes. This is because they are formed by alternating layers (strata) of magma and ash. The magma that creates composite volcanoes tends to be thick. The steep sides form because the lava cannot flow too far from the vent. The thick magma may also create explosive eruptions. Ash and pyroclasts erupt into the air. Much of this material falls back down near the vent. This creates the steep sides of stratovolcanoes.Composite volcanoes are common along convergent plate boundaries. When a tectonic plate subducts, it melts. This creates the thick magma needed for these eruptions. The Pacific Ring of Fire is dotted by composite volcanoes.Word-for-word from source: https://sites.google.com/site/earthscienceinmaine/types-of-volcanoes
Cinder volcanoes have more of funnel shape with a crater like top while a composite volcano simply has an opening at the tip where the lava comes out.
The three main volcano shapes are shield volcanoes, stratovolcanoes (or composite volcanoes), and cinder cone volcanoes. All volcano types share common elements: a magma chamber, which is a reservoir of molten rock beneath the surface; a vent, which is the opening through which volcanic material is expelled; and a crater, which is a depression at the summit formed by explosive eruptions or the collapse of the volcano. These elements work together to determine the volcano's eruption style and shape.
The most common structure of volcanoes is a conical shape with a central vent or crater at the summit. This shape is often formed by layers of lava and ash building up over time as the volcano erupts. Volcanoes can also take other shapes such as shield volcanoes or stratovolcanoes, depending on the type of eruption and the composition of the magma.
Volcanoes can be classified based on their eruption style, shape, and location. Common types include shield volcanoes with broad, gently sloping sides, stratovolcanoes with steep sides and explosive eruptions, and cinder cone volcanoes with steep sides and a small crater. They are often found along tectonic plate boundaries or hot spots in the Earth's crust.
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Cinder volcanoes, composite volcanoes, frision volcanoes, and cinder cone volcanoes.
Composite cones are steep sided, cone shaped volcanoes that produce explosive eruptions.Composite volcanoes have broad bases and steep sides. These volcanoes usually have a large crater at the top. The crater was created during the volcano's last eruption.Composite volcanoes are also called stratovolcanoes. This is because they are formed by alternating layers (strata) of magma and ash. The magma that creates composite volcanoes tends to be thick. The steep sides form because the lava cannot flow too far from the vent. The thick magma may also create explosive eruptions. Ash and pyroclasts erupt into the air. Much of this material falls back down near the vent. This creates the steep sides of stratovolcanoes.Composite volcanoes are common along convergent plate boundaries. When a tectonic plate subducts, it melts. This creates the thick magma needed for these eruptions. The Pacific Ring of Fire is dotted by composite volcanoes.Word-for-word from source: https://sites.google.com/site/earthscienceinmaine/types-of-volcanoes
Cinder volcanoes have more of funnel shape with a crater like top while a composite volcano simply has an opening at the tip where the lava comes out.
Volcanoes are located throughout most of the world. The most active volcanoes are found on the so-called "ring of fire" in Pacific Ocean. Indonesia has several volcanoes including Krakatoa. Hawaii's Kilauea produces the most lava of all active volcanoes in the world. North America has Mt. St. Helens and Mt. Rainier in Washington, USA. Mexico has several including Parícutin and Nevado de Toluca. Europe has Mt. Etna. Generally, volcanoes are located near tectonic plates that are converging or diverging.
Common questions about volcanoes include: How do volcanoes form? What causes volcanic eruptions? What are the different types of volcanoes? How do scientists monitor volcanic activity? Are there warning signs before a volcano erupts?
Yes. Volcanic islands are fairly common.
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because it is hot
It is not uncommon to find volcanoes in some deserts. The Chihuahuan Desert has a number of extinct and dormant volcanoes.