IN THE GULF OF ST. LAWRENCE between eastern Quebec and Anticosti Island, a string of islands are transforming, and revealing the secrets of the past, as they have for millions of years.
The Mingan Archipelago, a coastal chain of more than 1,000 islands and islets spanning 152 kilometers, is an important haven for seabirds, rare plants, marine life, and other wildlife, as well as home to the largest concentration of erosion monoliths in Canada.
It all started following the last ice age when the immense ice sheets covering what is now Canada began to recede and the soft limestone archipelago slowly rose out of the sea. Shaped by the artistic hands of tides, wind and weather, the limestone crumbled away and formed towering sculptures, called monoliths, throughout the region. That 450-million-year-old limestone is still being shaped today, and when pieces break away, exposed fossils reveal the natural history and scientific significance of the archipelago dating back to when the first marine organisms evolved in the ancient Champlain Sea at the edge of the Canadian Shield.
This story is from the Best of Canadian Geographic 2020 edition of Canadian Geographic.
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This story is from the Best of Canadian Geographic 2020 edition of Canadian Geographic.
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