Geology of Malta elephant fossils), as well as island gigantism (fossils of Leithia melitensis). Geology of Malta The Geology of Malta consists of a sequence of sedimentary rocks of late Oligocene to late Miocene age cut through by a set of extensional faults of Pliocene age. The Maltese archipelago is situated on the mainly shallow water continental platform between Sicily and North Africa that lies beneath the Sicily Channel, separating the Ionian Basin from the western Mediterranean Basin. The islands lie around 200 km to the south of the subduction boundary between the African Plate and the Eurasian Plate. The platform is crossed
White Island, Isles of Scilly is covered by the sea, as there are strong currents across it. This White Island should not be confused with a much smaller island of the same name, which lies off the coast of Samson. The uninhabited island lies off the north coast of St Martin's. It is about and until comparatively recently was part of St Martin’s. In 1814 the area of the island was estimated as fifty acres. At the north-east end of the island a fragment of altered killas, which at one time covered a much wider area, could be seen in 1911. In common with the