Loading…
Loading…
GCSE Geography · key term
A steep-sided volcano built from alternating layers of lava and ash, also called a stratovolcano.
Used by Edexcel and OCR
Paper 1
Revise: Causes and Characteristics of Volcanic HazardsComposite volcanoes tend to form at convergent boundaries where subduction occurs: one plate moves beneath another. Magma rises towards the surface above the subduction zone. The Nazca–South American plate boundary is an example of this setting.
Specification 1.2a · Paper 1, Paper 3
A steep-sided volcano built from layers of lava and ash, commonly associated with viscous magma and explosive eruptions; also called a stratovolcano.
Use ‘usually’ or ‘typically’: shield volcanoes are commonly associated with constructive boundaries and hotspots, while composite volcanoes commonly occur at destructive boundaries.
Create a free account to read GCSE Geography revision notes for your exam board and track your progress.
Together with ash deposited by explosive eruptions, it forms a composite volcano.