Baltica data makes it difficult to locate the margin in the Arctic. Ordovician faunas indicate that most of Svalbard, including Bjørnøya, was part of Laurentia, but Franz Josef Land and Kvitøya (an eastern island of the Svalbard archipelago) most likely became part of Baltica in the Timanide Orogeny. The Taymyr Peninsula, in contrast, never was part of Baltica: southern Taymyr was part of Siberia whilst northern Taymyr and the Severnaya Zemlya archipelago were part of the independent Kara Terrane in the early Palaeozoic. The eastern margin, the Uralide orogen, extends from the Arctic Novaya Zemlya archipelago to the Aral Sea. The
Belushya Guba as an anchorage by Russian convoys between the Barents Sea and Archangelsk. A Soviet naval base was established in Belushya Guba in 1944. The settlement started to flourish in 1954, when Novaya Zemlya became established as a nuclear test site. In 1956, the whole indigenous population of Novaya Zemlya, mostly Nenets, were resettled from the islands. Belushya Guba is located in a deep bay with the same name, within a geographical area that is influenced by warm ocean currents. The natural conditions allow year-round sailing of all types and classes of vessels with minimal cost for icebreaking support. The bay