Home > Blossary: Volcano
An article detailing different terms relating to volcanoes and volcanic eruptions.

Category: Geography

19 Terms

Created by: Silentchapel

Number of Blossarys: 95

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Collected Terms

Stratovolcanoes or composite volcanoes are tall conical mountains composed of lava flows and other ejecta in alternate layers, the strata that give rise to the name. Stratovolcanoes are also known as ...

Domain: Natural environment; Category: Volcano

Volcanic cones are among the simplest volcanic formations. They are built by ejecta from a volcanic vent, piling up around the vent in the shape of a cone with a central crater. Volcanic cones are of ...

Domain: Natural environment; Category: Volcano

Shield volcanoes, so named for their broad, shield-like profiles, are formed by the eruption of low-viscosity lava that can flow a great distance from a vent. They generally do not explode ...

Domain: Natural environment; Category: Volcano

In volcanology, a lava dome or volcanic dome is a roughly circular mound-shaped protrusion resulting from the slow extrusion of viscous lava from a volcano. The geochemistry of lava domes can vary ...

Domain: Natural environment; Category: Volcano

A volcanic crater is a circular depression in the ground caused by volcanic activity. It is typically a basin, circular in form within which occurs a vent (or vents) from which magma erupts as gases, ...

Domain: Natural environment; Category: Volcano

Volcanic gases include a variety of substances given off by active (or, at times, by dormant) volcanoes. These include gases trapped in cavities (vesicles) in volcanic rocks, dissolved or dissociated ...

Domain: Natural environment; Category: Volcano

Lava refers both to molten rock expelled by a volcano during an eruption and the resulting rock after solidification and cooling. This molten rock is formed in the interior of some planets, including ...

Domain: Natural environment; Category: Volcano

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