in southern Siberia that can be connected to the Melville Bugt dyke swarm in western Greenland;
* a major large igneous province 1,380 Mya during the breakup of the Nuna supercontinent connects Laurentia, Baltica, Siberia, Congo, and West Africa.

Rodinia

In the vast majority of plate tectonic reconstructions, Laurentia formed the core of the supercontinent Rodinia, which formed 1,260-900 Mya. However,

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