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The Canadian Shield is a collage of Archean plates and accreted juvenile arc terranes and sedimentary basins of the Proterozoic Eon that were progressively amalgamated during the interval 2.45–1.24 Ga, with the most substantial growth period occurring during the Trans-Hudson orogeny, between c. 1.90–1.80 Ga. [5] The Canadian Shield was the ...
The islands are actually the worn-down tops of ancient mountains. This region, the Frontenac Axis, connects the Canadian Shield from Algonquin Park in Ontario to the Adirondack Mountains in New York. The park consists of 21 islands plus many smaller islets, 2 mainland properties and a visitor centre at Mallorytown, Ontario on the mainland.
The entire park is located in Grenville Province, the most recent of the Canadian Shield geological provinces. The rock is composed of gneiss and granulites. The passage of the Ice Age strongly influenced its territory rounded hilltops and valleys surcreusant. Given that the park is located in the heart of the Laurentian Mountains, its soils ...
The Canada National Parks Act also allows for recognition of National Historic Sites that commemorate events, landmarks, or objects of national importance, and which may include similar levels of protection and administration as national parks. [1] Feasibility studies are underway to establish further national parks in unrepresented regions. [11]
Voyageurs National Park is located on the Canadian Shield, with the rocks averaging between 1 and 3 billion years old. These are some of the oldest rocks on the North American continent. [ 5 ] Formed during the early ages of the earth formation, the rocks of the park were compressed, and folded under tremendous pressure.
Labrador is the easternmost part of the Canadian Shield and is composed of ancient Precambrian igneous and metamorphic rocks. The interior averages about 450 metres (1,480 ft) above sea level and is cut by large, east-flowing rivers, such as the Churchill River and its tributaries. [11] The northern coast is largely mountainous.
The islands blend the exposed rocks and pines of the Canadian Shield with the hardwood forests found further south. The park can only be reached by boat and all of the islands are open to the public. Limited camping and docking facilities, trails and cabins are only available on the largest island, Beausoleil Island. [4]
An outcrop of the Frontenac Axis near Cornwall, Ontario. The Thousand Islands – Frontenac Arch region or the Frontenac Axis is an exposed strip of Precambrian rock in Canada and the United States that links the Canadian Shield from Algonquin Park with the Adirondack Mountain region in New York, an extension of the Laurentian Mountains of Québec.