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

2. Composite Cone Mt St Helens - USA Crater Pyroclastic Flow Ash layer
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 and only for non commercial use in schools

3. Shield ( Basic) Cone Mauna Loa Hawaii -USA Layers of Lava Lava Flow
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 and only for non commercial use in schools

4. Ash and Cinder Cone Paracutin - Mexico Volcanic Bombs Layers of Ash
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 and only for non commercial use in schools