Rock out


Mont Orford lies in the Appalachian Mountains which is about 400 million years old. It was formed by an intrusion, specifically an ophiolite, which is created by magma pushing up from beneath the surface and breaks through the surface. The resulting formations are comprised of both sedimentary and igneous rock. About 13000 years ago, when the massive ice sheet was retreated, the chain was bordered by the Champlain sea which flooded the valley where Montreal lies.


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