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what is the canadian shield

The Canadian Shield only came into terminological being in the 1880s. Thanks for contributing to The Canadian Encyclopedia. Omissions? With much volcanic activity this area used to be mountainous, but over time glaciers, water, and wind wore much of the mountains away. As the ice retreated from the southern part of present-day Canada — a process that began as recently as 11,000 years ago — it cut the basins of the Great Lakes as well as the thousands of lakes throughout the Canadian Shield. During this glaciation, the Shield was covered by the Laurentide Ice Sheet, a giant expanse of ice as much as 3 km thick. Large areas of coniferous (evergreen) forests and hundreds of rivers and lakes spread across this mostly flat region. The Canadian Shield formed over 3 billion years through processes such as plate tectonics, erosion and glaciation. This region has short summers. The Canadian Shield is a large geographic area in eastern and central Canada, composed of bare rock dating to the Precambrian era (more than 540 million years ago). Choosing what kind of PPE face mask is right for your context can be challenging. There are plenty of fun stuff to do indoor and outdoor! Some of the other vegetation is Marsh reed grass and a bit of bear berry The historic mapping of this area was done by Alexander Murray, who, in 1851–52, examined the geology around the Gananoque, Ottawa and St. Lawrence rivers, as well as the perimeter of the Shield from Kingston to Lake Superior. The Canadian Shield is covered by a thin blanket of earth making it less useful in some economic activities such as manufacturing and farming but useful for logging, hydroelectric generation, and mining. The Canadian Shield is a Canadian manufacturer of innovative, high quality personal protective equipment. The Shield has man y climate chang es. The Innu made their home on the Shield in what is now Québec and Labrador, while the Cree, Anishinaabeg and Métis occupied large swaths of the region through Québec, Ontario, Manitoba, Saskatchewan and Alberta. Canadian Shield can be configured in the router/gateway, in the operating system settings for your computers and in some applications that directly use either the DNS or encrypted DNS (i.e. Lakes and rivers in the south house a variety of fish species including, . At The Canadian Shield, we’re on a mission to make personal protective equipment accessible to all Canadians - and as part of this mission, we’re committed to providing educational resources that equip you in choosing the right PPE for your unique needs. The First Jobs In the Canadian Shield The fur trade was an important industry for over 200 years in this region, it is a large part of why people came here in the first place (that, and trying to map North America and find routes from one ocean to the other). In addition to fish, lakes are often spotted with a mix of waterfowl including wood, and American black ducks. Canadian Capital: Ottawa is the capital city of Canada. Mining began in the region in the mid-19th century and was key to Canada’s economic development. Created by InkSmith. The Canadian Shield region has short, dry summers with warm temperature.P art of the summer the sun does not set until 11:30. of … Nick Eyles and Andrew Miall, Canada Rocks: The Geologic Journey (2007). Like weather, as glaciers grow and move they also smooth the landscape, as well as move sediment. It was the first part of North America to be permanently above sea level, and the rest of the North American continent formed around it. The southern part of the Canadian Shield gets lots of rain and snow each year. This article was most recently revised and updated by, https://www.britannica.com/place/Canadian-Shield, The Canadian Encyclopedia - Canadian Shield, Canadian Shield - Student Encyclopedia (Ages 11 and up). Various minerals and precious stones have been mined or continue to be mined on the Shield, including, The first modern hard-rock mine in the Canadian Shield, near Madoc, Ontario, opened in 1866 after gold was found there. The Canadian Shield is the ancient core of the North American Continent. Other evidence of past glacial structures include striations (lines scraped into rocks) and, ecosystem. Substantial gold discoveries were also made in Ontario at Kirkland Lake in 1906 and Timmins in 1912, and in Québec at Rouyn-Noranda in 1920. Also called the Precambrian Shield, or Laurentian Shield, or Laurentian Plateau. The city spans around 1,077 square miles and is situated on the banks of the Ottawa River. The Canadian Shield is made up of some of the planet's oldest rock, largely granite and gneiss. Instead the region is made up of high, flat land called plateaus which are surrounded by mountains or cliffs. Updates? The first modern hard-rock mine in the Canadian Shield, near Madoc, Ontario, opened in 1866 after gold was found there. Aligns with the GEORGIA STANDARDS OF EXCELLENCE :SS6G6 – Explain the impact of environmental issues in Canada. When the earth deforms as a result of these collisions, geologists call the deformation process an “orogeny.” Orogenies cause the earth to thrust upward, creating mountain ranges. On the south it extends through Ontario as far as Lake Superior and the Adirondack Mountains. It also includes in Canada the central/northern portions of Manitoba away from Hudson B… North of this region, the Superior Province is one of Canada’s most important sources of metals, including deposits of, . Each block is bounded by a belt of younger rock created when the blocks collided. Our team will be reviewing your submission and get back to you with any further questions. Because most of the tundra is underlain by permafrost, vegetation is not able to put down deep roots, stunting growth. In the case of the Grenville Mountains, it’s estimated that tens of kilometres of rock may have been worn down. Finally, the Nain province is the smallest of the seven regions, and is not a major mineral producer. Lakes are largely the result of glacial erosion during the last ice age. With the exception of the Canadian Shield, the rocks of the North American Craton are buried deep within the continent and covered by soil and other material. The Canadian Shield is in excess of 3.96 billion years of age. While the bare rock, thin soils, muskeg and insects of the Shield made living there difficult, the development of resource-based industries, such as mining and forestry, promoted increased settlement. Comparable to the present-day Himalayas in size, the Grenville Mountains may have been the largest mountain range ever created on Earth. The Canadian Shield is a Canadian manufacturer of innovative, high quality personal protective equipment. The Canadian Shield is the original core, or craton, of the North American continent.It includes much of Greenland, more than half of Canada, and it extends into the Adirondack Mountains of New York and the Superior Upland region of the Midwest. Since the end of the last glacial period, Canada has consisted of eight distinct forest regions, including extensive boreal forest on the Canadian Shield . The Shield can be divided into seven geologically distinct regions sometimes referred to as provinces. GENERAL INFORMATION The Canadian Shield is the largest of Canada's 6 physical regions. Outdoor activities: Mountain climbing Playing in the snow Swimming by yourself or with some beluga whales Fishing Camping Hiking Hunting The Northern part gets very little rain and snow each year. The shield is mostly thin soil lying on top of bedrock, with many bare outcrops and thousands of lakes so has very bad farming.The Canadian Shield is a … Signing up enhances your TCE experience with the ability to save items to your personal reading list, and access the interactive map. North of the boreal forest is the Arctic tundra ecozone, characterized by low-growing vegetation and few to no trees. In places the old mountain ranges may be recognized by hills several hundreds of metres in height. Canadian Shield: As observed on the map, the Canadian Shield, covering the eastern half of Canada’s landmass is an ancient bedrock base of gneiss and granite covered by a shallow layer of soil. Nunavut, Northwest Territories, Manitoba, Ontario, Quebec. The Canadian Shield The Canadian Shield is the principal area of North America where rocks of Precambrian age (i.e., those that are more than 542 million years old) are exposed at the surface. When Greenland is included, the Shield forms a circular shape that extends over much of Labrador, Greenland, north of the Saint Lawrence River, Ontario, the Adirondack Mountains, upper and lower Michigan, northeastern Minnesota, northern Wisconsin, northe… Canadian Shield or Laurentian Plateau (lôrĕn`chən), U-shaped region of ancient rock, the nucleus of North America, stretching N from the Great Lakes to the Arctic Ocean.Covering more than half of Canada, it also includes most of Greenland and extends into the United States as the Adirondack Mts. While gold mines still operate near Kirkland Lake and Timmins, there are no longer any active mines in Colbalt or Rouyn-Noranda — a reality not uncommon for early mining towns. The traditional territory of the Dene and Inuit includes the sections of the Shield now covered by the Northwest Territories and Nunavut. The region, as a whole, is composed of ancient crystalline rocks whose complex structure attests to a long history of uplift and depression, mountain building (orogeny), and erosion. These weathering processes were interrupted by a number of ice ages occurring over the last 2.5 million years. Other birds include boreal. The Canadian Shield refers to the exposed portion of the continental crust underlying the majority of North America. Region are Lake Athabasca, Reindeer Lake, and is not a major mineral producer world is... Snowy owls and rock ptarmigan on the south house a variety of fish species including,. Temperature changes a lot has vast exposed areas of ancient rock Shield ( 2017 ) were. Of active mines on the east it underlies most of Quebec and Labrador, offers and... 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2020-12-29T02:41:49+00:00December 29th, 2020|