Volcano

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

Basalt

Natural environment; Volcano

Volcanic rock (or lava) that characteristically is dark in color, contains 45% to 54% silica, and generally is rich in iron and magnesium.

Basic

Natural environment; Volcano

A descriptive term applied to igneous rocks (basalt and gabbro) with silica (SiO2) between 44% and 52%.

Aquifer

Natural environment; Volcano

A body of rock that contains significant quantities of water that can be tapped by wells or springs.

Basement

Natural environment; Volcano

The undifferentiated rocks that underlie the rocks of interest in an area.

Block

Natural environment; Volcano

Angular chunk of solid rock ejected during an eruption.

Bench

Natural environment; Volcano

The unstable, newly-formed front of a lava delta.

Eruption

Natural environment; Volcano

The process by which solid, liquid, and gaseous materials are ejected into the earth's atmosphere and onto the earth's surface by volcanic activity. Eruptions range from the quiet overflow of liquid ...