Geography A-Level
Constructive margins
What Constructive margins means in Geography A-Level, as defined for AQA.
Definition of Constructive margins
Check what you remember
Read the wording for your board, then hide it and explain Constructive margins in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Boundaries where plates diverge, causing vulcanicity and shallow seismicity, and forming ocean ridges and rift valleys.
Topics that use Constructive margins
- Plate tectonics (AQA A-Level)
Related terms
- Conservative margins
- Destructive margins
- Magma plumes
- Slab pull
- Vulcanicity
- Convection currents
- Decompression melting
- Hotspot volcanoes
Using Constructive margins in the exam
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