A composite cone is the type of volcano that consists of layers of lava flows and pyroclastic material. A stratovolcano is an example of a composite cone.
stratovolcano, or composite volcano
A volcano that is fairly symmetrical and has both layers of lava and pyroclastic deposits is a stratovolcano, also known as a composite volcano. These volcanoes are characterized by their steep-sided conical shape and alternating layers of lava flows, volcanic ash, and pyroclastic debris. They are capable of explosive eruptions due to their viscous magma composition.
The three main types of volcanoes are shield volcanoes, cinder cone volcanoes, and composite (or stratovolcanoes) volcanoes. Shield volcanoes have gently sloping sides and are formed by layers of lava, while cinder cone volcanoes are steep-sided with a conical shape and are made of pyroclastic material. Composite volcanoes are a mix of both lava and pyroclastic material, with a classic symmetrical cone shape.
The substance that alternates with lava in a composite volcano is pyroclastic material. This material includes various types of fragmented volcanic rock, such as ash, cinders, and volcanic bombs. It is ejected during explosive eruptions and can be deposited around the volcano, building up layers over time.
In a cinder cone volcano, layers of ejected lava are combined with "pyroclastic" layers, formed of "tephra" : hot gas and rock that flow from the cone. The classic volcanic cones are composed of several parts : * Cone - the mound of ash and cinder * Crater * - the main opening, usually at the peak or summit * Vents - openings from the cone * Conduits - the lava channels connected to the vents * Magma chamber - the underground source of the liquid rock for the volcano *A "caldera" is a collapsed area, usually formed when a magma chamber empties. This is distinct from the term crater.
stratovolcano, or composite volcano
A volcano that is fairly symmetrical and has both layers of lava and pyroclastic deposits is a stratovolcano, also known as a composite volcano. These volcanoes are characterized by their steep-sided conical shape and alternating layers of lava flows, volcanic ash, and pyroclastic debris. They are capable of explosive eruptions due to their viscous magma composition.
Composite
Composite
The three main types of volcanoes are shield volcanoes, cinder cone volcanoes, and composite (or stratovolcanoes) volcanoes. Shield volcanoes have gently sloping sides and are formed by layers of lava, while cinder cone volcanoes are steep-sided with a conical shape and are made of pyroclastic material. Composite volcanoes are a mix of both lava and pyroclastic material, with a classic symmetrical cone shape.
stratovolcano, or composite volcano
The substance that alternates with lava in a composite volcano is pyroclastic material. This material includes various types of fragmented volcanic rock, such as ash, cinders, and volcanic bombs. It is ejected during explosive eruptions and can be deposited around the volcano, building up layers over time.
Volcanic mountains form as layers of lava flows and/or pyroclastic material pile up from successive eruptions.
In a cinder cone volcano, layers of ejected lava are combined with "pyroclastic" layers, formed of "tephra" : hot gas and rock that flow from the cone. The classic volcanic cones are composed of several parts : * Cone - the mound of ash and cinder * Crater * - the main opening, usually at the peak or summit * Vents - openings from the cone * Conduits - the lava channels connected to the vents * Magma chamber - the underground source of the liquid rock for the volcano *A "caldera" is a collapsed area, usually formed when a magma chamber empties. This is distinct from the term crater.
As Mount St. Helens is a volcano the slopes would be covered in layers of volcanic dust and lava.
The Komagatake volcano in Japan is classified as a stratovolcano. The definition of a stratovolcano is a volcano that is conical in shape and composed of layers of material expelled from previous eruptions.
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