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The result is a cinder cone.
cinder cone volcanoes: consist of primarily erupted volcanic ash and rock fragments, or cinders. When the volcano erupts the ash and rock are ejected onto the mountain. As this process continues the volcano "grows" higher because of the debris build up.
The volcanic type that typically produces small steep-sided structures composed of pyroclastic material is a cinder cone. Cinder cones are formed from explosive eruptions that eject particles of volcanic ash, cinders, and bombs into the air. These materials fall back to the ground and build up around the vent, forming the characteristic steep slopes of cinder cones.
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Cinder cone volcanoes are the most common kind of volcanoes. they are steep sided cones of basaltic fragments and are smaller and simpler than composite volcanoes. Streaming gases carry liquid lava blobs into the atmosphere that fall back to earth around a single vent to form the cone. The volcano forms when ash, cinders and bombs pile up around the vent to form a circular or oval cone. Cinders are melted volcanic rock that cooled and formed pebble-sized pieces when it was thrown out into the air. They are ejected from a single vent and accumulate around the vent when they fall back to earth. Bombs are melted volcanic rock that cooled and formed large pieces of rock when it was thrown out into the air before landing on the ground. Cinder cones are chiefly formed by Strombolian eruptions. They grow rapidly and soon reach their maximum size. Cinder cones can occur alone or in small to large groups or fields. Most have a bowl-shaped crater at the summit. The longer the eruption, the higher the cone. They rarely exceed 250 meters in height and 500 meters in diameter, although some may rise to as high as 650 meters or more. If gas pressure drops, the final stage cinder cone construction may be a lava flow that breaks through the base of the cone. If a lot of water in the environment has access to the molten magma, their interaction may result in a maar volcano rather than a cinder cone. The shape of a cinder cone can be modified during its life. When the position of the vent alters, aligned twin cones develop. Nested, buried or breached cones are formed when the power of the eruption varies. A great example of a cinder cone is Paricutin in Mexico. In Iceland, Surter I and Surter II cinder cone volcanoes created an island named Surtsey.
The result is a cinder cone.
The result is a cinder cone.
The result is a cinder cone.
The result is a cinder cone.
The result is a cinder cone.
The result is a cinder cone.
composite volcano.
The result is a cinder cone.
cinder cone volcanoes: consist of primarily erupted volcanic ash and rock fragments, or cinders. When the volcano erupts the ash and rock are ejected onto the mountain. As this process continues the volcano "grows" higher because of the debris build up.
An avalanche or pyroclastic flow.
The volcanic type that typically produces small steep-sided structures composed of pyroclastic material is a cinder cone. Cinder cones are formed from explosive eruptions that eject particles of volcanic ash, cinders, and bombs into the air. These materials fall back to the ground and build up around the vent, forming the characteristic steep slopes of cinder cones.
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