Ungava magmatic event

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Map of features associated with the Ungava magmatic event

The Ungava magmatic event was a widespread magmatic event that began about 2.22 billion years ago during the Proterozoic Eon.


With an area of 170,000 km2 (66,000 sq mi), the Ungava magmatic event consists of a large igneous province.[1] Magmatic features that were formed during the Ungava magmatic event include the Klotz, Maguire and Senneterre dikes of Quebec and the Nipissing sills of Ontario.[2]

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Coordinates: 57°22′52″N 68°49′34″W / 57.381°N 68.826°W / 57.381; -68.826