Andesitic/granitic magma

Key term for Edexcel GCSE Geography B, used in Plate Boundaries and Hazards.

Definition

Sticky, high-viscosity, high-silica magma that traps gases and leads to highly explosive eruptions.

Exam Context

Andesitic/granitic magma appears in Edexcel GCSE Geography B revision content for Hazardous Earth, especially Plate Boundaries and Hazards and Plate boundaries.

Hazardous Earth Plate Boundaries and Hazards Plate boundaries

Found in Revision Notes

Hazardous Earth

Types and Distribution of Plate Boundaries

Plate Boundaries and Hazards • Plate boundaries

Revise note

Related Key Terms

Anticlines Asthenosphere Basaltic lava Benioff Zone

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