Proto-cratons containing The Earth's continental blocks Welded, amalgmated Sutured with orogens Twelve-nine-hundred kilometers Along the north-south axis Four-eigth-hundred kilometers Along the east-west axis Mountain range formations South America was rotated Edges extending into The brinks of Scandinavia Outgrowth via accretion Key continental margins Forming a magmatic belt Long southern limits Anorogenic activity Forming anorthosite suits Marked by the emplacement of Igneous northern hemisphere Continental configuration Based on radiating dike swarms Also known as Columbia Nuna, completed by global collisions