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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

streak

Natural environment; Volcano

The color of a mineral in the powdered form.

tephrochronology

Natural environment; Volcano

The collection, preparation, petrographic description, and approximate dating of tephra.

spines

Natural environment; Volcano

Horn-like projections formed upon a lava dome.

seismologist

Natural environment; Volcano

Scientists who study earthquake waves and what they tell us about the inside of the Earth.

silica

Natural environment; Volcano

A chemical combination of silicon and oxygen.

volcanic cone

Natural environment; Volcano

A mound of loose material that was ejected ballistically.

trachybasalt

Natural environment; Volcano

An extrusive rock intermediate in composition between trachyte and basalt.

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