Mediterranean Sea 5.33 mya); "see" animation: Africa-Arabia colliding with Eurasia. Accordingly, the Mediterranean basin consists of several stretched tectonic plates in subduction which are the foundation of the Eastern part of the Mediterranean Sea. Various zones of subduction harbour and form the deepest and most majestic oceanic ridges, east of the Ionian Sea and south of the Aegean. The Central Indian Ridge runs East of the Mediterranean Sea South-East across the in-between of Africa and the Arabian Peninsula into the Indian Ocean. During Mesozoic and Cenozoic times, as the northwest corner of Africa converged on Iberia, it lifted the Betic-Rif mountain belts
Coastline of the North Sea not formed by sediment deposition; it is considerably older and is composed of early Triassic sandstone. Coastline of the North Sea The coastline of the North Sea has been evolving since the last glacier receded. The coastline varies from fjords, river estuaries to mudflats. The eastern and western coasts of the North Sea are jagged, as they were stripped by glaciers during the ice ages. The coastlines along the southernmost part are soft, covered with the remains of deposited glacial sediment, which was left directly by the ice or has been redeposited by the sea. The Norwegian mountains plunge into