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Matachewan dike swarm

Coordinates:50°N83°W/ 50°N 83°W/50; -83
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Map of the Matachewan andMistassini dike swarmsof Eastern Canada

TheMatachewan dike swarmis a large 2,500 to 2,450 million year oldPaleoproterozoicdike swarmofNorthern Ontario,Canada.It consists ofbasalticdikesthat wereintrudedingreenschist,granite-greenstone, and metamorphosed sedimentaryterrainsof theSuperior Cratonof theCanadian Shield.[1]With an area of 360,000 square kilometres (140,000 sq mi), the Matachewan dike swarm stands as alarge igneous province.[2]

See also

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References

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  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°N83°W/ 50°N 83°W/50; -83

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