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
History of Franz Josef Land and Karl Weyprecht of Austria–Hungary on board the schooner "Tegetthoff", this expedition's primary goal was to find the north-east passage with the secondary goal of locating the North Pole. The ship left Tromsø, Norway, in July 1872 but by August had become locked in pack ice north of Novaya Zemlya. The vessel drifted and eventually reached a hitherto unknown archipelago, which they named in honor of Franz Joseph I (1830–1916), Emperor of Austria. In May 1874 Wayprecht decided that the crew of twenty-four should abandon the ice-bound ship. On August 16 they reached land at Novaya Zemlya. They followed the