Mountains

The Mountain Environment
by Mandy Barrow

 
 
    
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The different parts of a Volcano

The image below shows the different parts of a volcano.

parts of a volcano

Definitions

Magma - Molten rock beneath Earth's surface.

Parasitic Cone - A small cone-shaped volcano formed by an accumulation of volcanic debris.

Sill - A flat piece of rock formed when magma hardens in a crack in a volcano.

Vent - An opening in Earth's surface through which volcanic materials escape.

Flank - The side of a volcano.

Lava - Molten rock that erupts from a volcano that solidifies as it cools.

Crater - Mouth of a volcano - surrounds a volcanic vent.

Conduit - An underground passage magma travels through.

Summit - Highest point; apex

Throat - Entrance of a volcano. The part of the conduit that ejects lava and volcanic ash.

Ash - Fragments of lava or rock smaller than 2 mm in size that are blasted into the air by volcanic explosions.

Ash Cloud - A cloud of ash formed by volcanic explosions.

Types of volcanoes
Shapes of volcanoes

 
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Mandy left Woodlands in 2003 to work in Kent schools as an ICT Consulatant.
She now teaches computers at The Granville School and St. John's Primary School in Sevenoaks Kent.

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