Convergent plate boundaries 2 Densification 2 Density 2 Density (specific gravity) 2 Melt 2 Melting 2 Metamorphic rocks 2 Metamorphic structures 2 Metamorphism 2 Phase transitions 2 Structural geology 2 Subduction 2 Subduction zone modeling 2 Tectonics 2 Thermo-mechanical modeling 2 Thermodynamic equilibria 2 Thermodynamic model 2 Thermodynamic modeling 2 Thermodynamics 2 Thermomechanical model 2 mantle structure 2 metamorphism 2 plate boundary 2 plate convergence 2 slab 2 subduction zone 2 thermodynamics 2