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Matachewan dike swarm

Coordinates: 50°N 83°W / 50°N 83°W / 50; -83
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Map of the Matachewan and Mistassini dike swarms of Eastern Canada

The Matachewan dike swarm is a large 2,500 to 2,450 million year old Paleoproterozoic dike swarm of Northern Ontario, Canada. It consists of basaltic dikes that were intruded in greenschist, granite-greenstone, and metamorphosed sedimentary terrains of the Superior craton of the Canadian Shield.[1] With an area of 360,000 km2 (140,000 sq mi), the Matachewan dike swarm stands as a large igneous province.[2]

See also

References

  1. ^ Petrogenesis of basalts from the Archean Matachewan Dike Swarm Superior Province of Canada
  2. ^ Igneous rock associations in Canada 3. Large Igneous Provinces (LIPs) in Canada and adjacent regions: 3 Ga to Present.

50°N 83°W / 50°N 83°W / 50; -83

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