Key term for OCR GCSE Geography B, used in Plate Tectonics.
The melting of mantle rock into magma triggered by a drop in overlying pressure as the crust thins.
Decompression melting appears in OCR GCSE Geography B revision content for Global Hazards, especially Plate Tectonics and Plate Boundary Processes.
Create a free account to access OCR GCSE Geography B revision notes, track progress, and practise related key terms.