Constructive boundary

Definition

A boundary where tectonic plates move apart and new crust forms.

Used by OCR

Specification 1.2a · Paper 1, Paper 3

At a constructive boundary, two plates move away from each other. Hot magma rises from the mantle into the opening. At the surface it becomes lava, which cools and solidifies to form new crust.
Revise: Processes at Plate Boundaries and Hotspots

Create a free account to read GCSE Geography revision notes for your exam board and track your progress.

GCSE Geography · key term

A boundary where tectonic plates move apart and new crust forms.

Used by OCR

Specification 1.2a · Paper 1, Paper 3

At a constructive boundary, two plates move away from each other. Hot magma rises from the mantle into the opening. At the surface it becomes lava, which cools and solidifies to form new crust.
Revise: Processes at Plate Boundaries and Hotspots

Create a free account to read GCSE Geography revision notes for your exam board and track your progress.