Superior province

… to the northeast, and the Superior craton to the south of the intervening nonrigid Churchill province, which may be composite in origin. The structural grain of the cratons is truncated at their margins, suggesting that they originated by the fragmentation of larger continents that formed more than 2.6 billion years…

…of these fragments forms the Superior province, which is located in the south-central part of the Canadian Shield and is some 1,500 miles (2,400 km) wide. The Slave province (300 miles [480 km] wide) and the Nain province (500 miles [800 km] wide) are located in the northwestern and northeastern…

… of far northern Russia; the Superior and Slave provinces in Canada; and the Yilgarn and Pilbara blocks in Western Australia. Linear belts, up to several thousand kilometres long, that are frequently though not exclusively of Proterozoic age include the Limpopo, Mozambique

… craton; large parts of the Superior province of Canada; the Yilgarn block in Australia; and the Limpopo belt in southern Africa. They may be confined to small areas such as the Ancient Gneiss Complex of Swaziland, the Minnesota River valley and the