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Volcanoes

Volcanoes. Not just one type. Composite Cone. Mt St Helens - USA. The volcano is built up of alternate layers of LAVA and ASH. They can explode with great violence. Crater. Pyroclastic Flow. Ash layer. Dyke. Lava Layer. Flank eruption. Conelet. Lava Flow. Crust.

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Volcanoes

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  1. Volcanoes Not just one type  Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

  2. Composite Cone Mt St Helens - USA The volcano is built up of alternate layers of LAVA and ASH. They can explode with great violence. Crater Pyroclastic Flow Ash layer Dyke Lava Layer Flank eruption Conelet Lava Flow Crust  Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

  3. Shield ( Basic) Cone Mauna Loa Hawaii -USA Shield Volcanoes are enormous features built up only from layers of lava. They produce lots of lava but they tent not to erupt violently. Layers of Lava Lava Flow 10,000m 250 miles Composite volcano to scale  Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

  4. Ash and Cinder Cone Paracutin - Mexico The volcano is built up of layers of ASH. When it erupts it is normally with great explosive force. Volcanic Bombs Layers of Ash and Cinder 3,000m Pipe  Tom Abbott, Biddulph High School and made available through www.sln.org.uk/geography and only for non commercial use in schools

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