41 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
Volcanic complex
Natural environment; Volcano
A persistent volcanic vent area that has built a complex combination of volcanic landforms.
Volcanic neck
Natural environment; Volcano
A massive pillar of rock more resistant to erosion than the lavas and pyroclastic rocks of a volcanic cone.
Volcano
Natural environment; Volcano
A vent in the surface of the Earth through which magma and associated gases and ash erupt; also, the form or structure (usually conical) that is produced by the ejected material.
Accretionary lava ball
Natural environment; Volcano
A rounded mass, ranging in diameter from a few centimetres to several meters, (carried) on the surface of a lava flow (e.g., 'a'a) or on cinder-cone slopes (and formed) by the moulding of viscous ...
Accidental
Natural environment; Volcano
Pyroclastic rocks that are formed from fragments of non-volcanic rocks or from volcanic rocks not related to the erupting volcano.
'a'a
Natural environment; Volcano
Hawaiian word used to describe a lava flow whose surface is broken into rough angular fragments.
Accessory
Natural environment; Volcano
A mineral whose presence in a rock is not essential to the proper classification of the rock.
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41 Terms
