Matachewan hotspot

The Matachewan hotspot was a volcanic hotspot responsible for the creation of the large 2,500 to 2,450 million year old Matachewan dike swarm, as well as continental rifting of the Superior and Hearne cratons during the Paleoproterozoic period.

See also

References

Short-lived mantle generated magmatic events and their dyke swarms: The key unlocking Earth's paleogeographic record back to 2.6 Ga

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