The Grenville Front Tectonic Zone is a geological feature in Eastern Canada that separates the Superior craton from rocks of the Grenville orogeny. It is a large tectonic zone of the Canadian Shield, extending from the northern shore of Lake Huron through Ontario and Quebec to Labrador, a distance of about 1,900 km (1,200 mi).[1]

References

  1. ^ The Grenville front tectonic zone: Results from the 1986 Great Lakes onshore seismic wide-angle reflection and refraction experiment
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