Introduction and subsidence. Subsidence mechanisms. Basins in divergent margins. Basins associated with oceanic subduction. Basins associated with continental subduction. Subsidence mechanisms (rifts, passive margins, trenches). Subsidence linked to subduction and conclusion. Basins associated with divergent plate boundaries – introduction. Passive rifts and active rifts. Rift: hyperextended geometries and margins. The African Rift System. The Red Sea tectonics and magmatism. Gulf of Suez and the Levant. Sedimentation in rift basins. Aborted rifts and intracratonic basins. Passive margins and oceanic basins. An alternative model – introduction. Alps and Apennines. E and W subductions. Oceanic subduction – introduction. Accretion and tectonic erosion. Exhumation, mélange and start of subduction. Sedimentary processes - trench-slope trenches and basins. Forearc basins – introduction. Forearc basin successions - Tibet & California. Arc-trench systems – Andes, Sunda, Alaska and Barbados. Basins of intra-arc. Back-arc basins. The Western Mediterranean. Remnant ocean basins. Basins associated with orogens - introduction and obduction. Orogen classification. Types of orogens and petrography. The flexural model. Forebulge. Examples and final notes on relationships.