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

Catégorie : Geography

22 Terms

Created by: Silentchapel

Number of Blossarys: 95

Mes termes
Collected Terms

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; Catégorie: 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; Catégorie: 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; Catégorie: Volcano

Magma (from Greek μάγμα "mixture") is a mixture of molten or semi-molten rock, volatiles and solids that is found beneath the surface of the Earth, and is expected to exist on other ...

Domain: Natural environment; Catégorie: Volcano

A black smoker or sea vent is a type of hydrothermal vent found on the seabed, typically in the abyssal and hadal zones. They appear as black, chimney-like structures that emit a cloud of black ...

Domain: Natural environment; Catégorie: Volcano

A volcanic winter is a reduction in global temperatures caused by volcanic ash and droplets of sulfuric acid obscuring the Sun and raising Earth's albedo (increasing the reflection of solar ...

Domain: Natural environment; Catégorie: Volcano

The places known as hotspots or hot spots in geology are volcanic regions thought to be fed by underlying mantle that is anomalously hot compared with the mantle elsewhere. They may be unanimously ...

Domain: Natural environment; Catégorie: Volcano

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