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
Austfonna of Svalbard and Norway). Austfonna Austfonna is an ice cap located on Nordaustlandet in the Svalbard archipelago in Norway. Covering an area of 8,492 km it is the largest ice cap by area and with 1,900 km (excluding Vegafonna) the second largest by volume in Europe, after the Vatnajökull in Iceland (not counting the still larger Severny Island ice cap of Novaya Zemlya, Russia, which is located in the extreme northeast of Europe), and the seventh largest in the world. Austfonna has a thickness of up to 560 metres (235 meters average thickness), and is 200 km in circumference. The