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Cards In This Set
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What part of Canada was created during the Precambrian era?
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Canadian Shield
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What types of rocks make up the Canadian Shield?
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Igneous and metamorphic
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How did the Canadian Shield differ during the Precambrian era in appearance from today?
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It used to be mountains, now it's levelled by erosion, leaving rock covered by soil and many lakes.
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Where was the eroded material from the Shield deposited and what did this material become?
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It goes into the ocean and becomes sedimentary rock.
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What resulted from the North American plate colliding with the Pacific plate?
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The Rocky Mountains.
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It is believed that North America was located closer to the equator during the early part of the Paleozoic era. Why has this tropical location been important to Canada?
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Oil, gas and coal formed.
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