What are the characteristics of the Canadian Shield?

What are the characteristics of Shields?

Shields themselves can be very complex: they consist of vast areas of granitic or granodioritic gneisses, usually of tonalitic composition, and they also contain belts of sedimentary rocks, often surrounded by low-grade volcano-sedimentary sequences, or greenstone belts.

What is the Canadian Shield made out of?

The Shield is made of hard rocks like granite. However, Eastern Georgian Bay is made up mostly of gneiss (pronounced ‘nice’). Gneiss and granite are similar, but gneiss has bands or stripes in it. When you take a close look at rocks, you can often see that they are not all one colour.

How did the Canadian Shield differ in appearance from today?

How did the Canadian Shield differ during the Precambrian era in appearance from today? It used to be mountains, now it’s levelled by erosion, leaving rock covered by soil and many lakes.

What kind of animals live in Canadian Shield?

Characteristic wildlife include moose (Alces alces), caribou (Rangifer tarandus), black bear (Ursus americanus), lynx (Lynx canadensis), snowshoe hare (Lepus americanus), wolf (Canis lupus), sharp-tailed grouse (Tympahuchus phasianellus), ruffed grouse (Bonasa umbellus), American black duck (Anas rubripes) and wood …

How was the Canadian Shield formed for kids?

This Precambrian igneous rock is in a vast mass called the Canadian Shield. It was dry land ages ago when the oceans still rolled over the sites of the Appalachian and the Rocky mountains. It was uplifted to form a plateau and then carved by stream erosion. Finally glaciers scraped it almost level.

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