Why Volcanoes Erupt (OCR GCSE Geography B (Geography for Enquiring Minds)): Flashcards
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Plate boundary for shield volcanoes
Plate boundary for shield volcanoes
Constructive boundaries
Definition of hotspots
Definition of hotspots
Locations where magma plumes rise through mantle
Shield volcano eruption style
Shield volcano eruption style
Gentle and calm
Shield volcano lava type
Shield volcano lava type
Runny (low viscosity)
Plate boundary for composite volcanoes
Plate boundary for composite volcanoes
Destructive boundaries
Definition of subduction
Definition of subduction
One plate forced beneath another
Composite volcano magma type
Composite volcano magma type
Viscous (thick and sticky)
Composite volcano eruption style
Composite volcano eruption style
Explosive and violent
Definition of pyroclastic flows
Definition of pyroclastic flows
Fast-moving currents of hot gas & volcanic matter
Composite volcano structure
Composite volcano structure
Alternating layers of lava and ash