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
Tyko Vylka Novaya Zemlya archipelago. In 1956, the whole civil (indigenous) population of Novaya Zemlya was forcedly relocated to enable the usage of the islands as a military base and a nuclear bomb testing ground. After the resettlement, Tyko Vylka lived in Arkhangelsk, where he died in 1960s. There is a street named in his name in Arkhangelsk. In 1981, a film "The Great Sami" () appeared, featuring the career of Vylka. After one of the Rusanov's expeditions, Vylka created a report as an album of drawings, which was presented to Tsar Nicholas II. It is generally accepted however that he produced