Columbia (supercontinent) - Size and Location

Size and Location

Columbia is estimated to have been about 12,900 kilometres from North to South, and about 4,800 km across at its broadest part. The east coast of India was attached to western North America, with southern Australia against western Canada. Most of South America spun so that the western edge of modern-day Brazil lined up with eastern North America, forming a continental margin that extended into the southern edge of Scandinavia.

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