10 Terms
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Volcano
A vent or opening in a planet's surface that lets out pressurized molten rocks or magma, and gases from the inner core. Volcanoes come in various shapes and structure, but the most common ones are mountain-like structures with a crater at the summit.
Industry: Natural environment
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Volcano
Hydrothermal reservoir
Natural environment; Volcano
An underground zone of porous rock containing hot water.
Ignimbrite
Natural environment; Volcano
The rock formed by the widespread deposition and consolidation of ash flows and Nuees Ardentes. The term was originally applied only to densely welded deposits but now includes non-welded deposits.
Intensity
Natural environment; Volcano
A measure of the effects of an earthquake at a particular place. Intensity depends not only on the magnitude of the earthquake, but also on the distance from the epicentre and the local geology.
Intrusion
Natural environment; Volcano
The process of emplacement of magma in pre-existing rock. Also, the term refers to igneous rock mass so formed within the surrounding rock.
Intermediate
Natural environment; Volcano
A descriptive term applied to igneous rocks that are transitional between basic and acidic with silica (SiO2) between 54% and 65%.
Hot-spot volcanoes
Natural environment; Volcano
Volcanoes related to a persistent heat source in the mantle.
Hypabyssal
Natural environment; Volcano
A shallow intrusion of magma or the resulting solidified rock.
