How was the Canadian shield formed? - ProProfs Discuss
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How was the Canadian shield formed?



A. Erosion and weathering
B. Plate collision
C. Subduction
D. Broke off from another region

This question is part of the best geography quiz for people writing mr chans final on january the 22nd
Asked by Aleigh, Last updated: Feb 21, 2019

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3 Answers

M. Krasinski

M. KrasinskiContent Writer, Columbus
Content Writer, Columbus

Answered on Oct 24, 2018

The Canadian Shield is formed through letter A. There are different reasons why different parts of the world right now are going through erosion This is considered to be important right now to Canada and all of the surrounding areas because this is their source of different metals. If they would need to get copper, silver, iron, and so much more.

They can go to this area and mine the items that they need. The Canadian Shield is quite large. The length is from Mexico to Greenland. This means that these countries can also benefit from the different resources that this can provide. This was formed over 2.7 billion years ago.

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B.Jason

B.Jason

Answered on Apr 20, 2018

The Canadian Shield, likewise called the Laurentian Plateau, is an expansive territory of uncovered Precambrian volcanic and high-review metamorphic rocks (topographical shield) that structures the old land center of the North American mainland. Made out of molten magma coming about because of its long volcanic history, the region is secured by a thin layer of soil. With a profound, normal, joined bedrock district in eastern and focal Canada, it extends north from the Incomparable Lakes to the Ice Sea, covering over portion of Canada; it likewise broadens south into the northern scopes of the United States. Human populace is scanty, and modern advancement is negligible, while mining is predominant.

The Canadian Shield is in excess of 3.96 billion years of age. The Canadian Shield once had rough pinnacles, higher than any of the present mountains, yet a great many years of erosion have changed these mountains to moving slopes

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aleigh

Aleigh

Answered on Oct 10, 2017

Erosion and weathering
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