Grenville orogeny
Mesoproterozoic mountain-building event / From Wikipedia, the free encyclopedia
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The Grenville orogeny was a long-lived Mesoproterozoic mountain-building event associated with the assembly of the supercontinent Rodinia. Its record is a prominent orogenic belt which spans a significant portion of the North American continent, from Labrador to Mexico, as well as to Scotland.
Grenville orogenic crust of mid-late Mesoproterozoic age (c.1250ā980 Ma) is found worldwide, but generally only events which occurred on the southern and eastern margins of Laurentia are recognized under the "Grenville" name.[1] These orogenic events are also known as the Kibaran orogeny in Africa and the Dalslandian orogeny in Western Europe.