Geology
About 125 million years ago, the area of southern Quebec was over the New England hotspot, creating the magma intrusions of the Monteregian Hills. These intrusive stocks have been variously interpreted as the feeder intrusions of long extinct volcanoes, which would have been active about 125 million years ago, or as intrusives that never breached the surface in volcanic activity.
Read more about this topic: Geography Of Quebec
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