Rocky Coastline
by Eva Lechner
Title
Rocky Coastline
Artist
Eva Lechner
Medium
Photograph - Photograph
Description
More than 400 million years ago, in the Devonian Period, the plate tectonics movement of the Earth's crust allowed molten material to bubble up from the Earth's interior. This formed the rocks seen today and are part of the Great Nova Scotia batholith. The landscape of Peggy's Cove and surrounding areas was subsequently carved by the migration of glaciers and the ocean tides.
About 20,000 years ago, an ice ridge moved south from Canada's Arctic region covering much of North America. Along with the ebb and flow of the glaciers, the ice ridge eventually melted and shifted and in the process scooped away and scoured large sections of rock, vegetation and topsoil. As melted land glaciers flowed back to the oceans the changing tidal flows and rising sea levels filled the scarred areas with water, forming coves and inlets.
Large boulders composed of 415-million-year-old Devonian granite, called glacial erratics, were lifted by the ice and carried for long distances before being deposited upon the landscape as the ice receded, leaving rugged barrens. The movement of the glacial ice and rocks left scouring marks in the bedrock that are still visible.
Peggy's Cove has been declared a preservation area to protect its rugged beauty. The Peggy's Cove Commission Act, passed in 1962, prohibits development in and around the surrounding village and restricts development within Peggy's Cove. The area comprised about 2,000 acres (8.1 km2) stretching from Indian Harbour to West Dover and includes barrens, bogs, inland ponds, and rocky coastline.
Uploaded
January 7th, 2020
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