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Platforms and shields together make up cratons. The shield is the part of the craton that is exposed at Earth's surface and the platform is the part of the craton that is covered by sedimentary strata.

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Q: Why is only a portion of the North American craton is visible?
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Only a portion of the North American craton is visible because the rest has been?

buried beneath other rocks


The exposed portion of the North American craton containing metamorphic and igneous rocks is called the?

It's called the Canadian Shield.


What plates contains most of the United states?

The North American Craton.


Which is a part of the North American craton?

Eastern Canada.


What is the foundation of the interior plain of Canada?

The North American Craton, on top of that sits sedimentary rock left over from ancient lakes.


How did the North America continent form?

The north American craton split from the European craton as the Atlantic ocean was created by the process of sea floor spreading and continental drift.


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As of October 2009, Jupiter is very bright and visible from sunset until about 1AM.


Where is Miami located on the Earth?

In the southern portion of the US State of Florida on the North American Continent.


Is Iceland on 2 boundary plates?

Iceland straddles the mid Atlantic ridge, the place where the Eurasian plate is moving away form the north American plate.Iceland is located on the boundry between two plates.Half the country is on the North American Plate and half on the Eurasian Plate.


What is a real world example of a hemisphere?

-- 1/2 of a grapefruit served as an appetizer. -- The portion of the earth upon whose surface Summer begins in June. -- The portion of the earth from whose surface the North Star is visible.


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The eclipse, which is being called the Christmas Lunar Eclipse by some scientists, will be visible over all of North America, beginning locally at 12:27 a.m. Tuesday. The "total phase" -- which is the most visible portion of the eclipse -- will be visible from 2:40 a.m. to 3:53 a.m. The end of the eclipse will be at 6:06 a.m.


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