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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