Thermal structure of the slab. Island arcs and continental arcs. Geothermal gradients and metamorphic conditions. Melt generation in the mantle wedge. Subduction controls and angles.
Slab pull and slab roll back mechanisms.
Collisional mountain ranges. The Wilson cycle. Regional metamorphism and crustal melting. Foreland basins and orogenic sediments. Climatic influences and the CO2 cycle.