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
12th Chief Directorate Kazakhstan) and on Novaya Zemlya Archipelago. Unlike the GRU (Chief Directorate of Intelligence), the 12th GU MO is not a chief directorate of the General Staff, but a chief directorate of the Ministry of Defense. As such it is not subordinated to the Chief of the General Staff of the Soviet/Russian Armed Forces, but directly to the Minister of Defense, which makes it higher in status compared to the GRU. Position of the Chief of the 12th GU MO is equal to that of the commander of a military district, and supposed to be occupied by a 4-star General or