Geology of Malta The largest of the second set are the Victoria Lines Fault on northern Malta and the Qala Fault on southern Gozo. Overall, the islands of the archipelago are tilted towards the northeast, with cliffs on the southwest coast and descending gradients towards the northeast. The Maltese archipalego is linked to Sicily by an underwater plateau of depths of less than 100 m. During different marine regressions of the Mediterranean, Malta has been connected to Sicily by a surface isthmus by which animals have been able to cross, as evinced by the presence of island dwarfism (Maltese dwarf hippopotamus and dwarf
Black Island (Ross Archipelago) Black Island (Ross Archipelago) Black Island (), in the Ross Archipelago, is immediately west of White Island. It was first named by the Discovery Expedition (1901–04) because of its lack of snow. The island's northernmost point is named "Cape Hodgson", commemorating Thomas Vere Hodgson . The highest point is Mount Aurora, a principal radio relay point. On the minor peak of Mt. Melania is the principal earth-based ground-station for the US Antarctic Program. Black Island is volcanic in origin, consisting of a series of trachytic lava domes and basaltic pyroclastic cones. Potassium–argon dating of Black Island volcanic rocks has given