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
Novaya Zemlya due south. Anticipating the breakout, the German Task Force commander Rear Admiral Hubert Schmundt (Fig. 40) pre-positioned several U-boats near the strait’s western entrance. Six of the seventeen Allied ships exiting the strait were subsequently sunk. The badly-damaged American freighter "Alcoa Ranger" was beached on Novaya Zemlya’s west coast. Its crew found temporary shelter and were eventually rescued by a Russian vessel which took them to Belushya Bay. The Germans also damaged the Soviet tankers "Donbass" and "Azerbaijan," both of which reached the sanctuary of Archangel. Of the thirty-four merchant ships in PQ-17, twenty-four were destroyed. The American contingent alone