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Why is only a portion of the North American craton is visible?
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.
Only a portion of the North American craton is visible because the rest has been?
buried beneath other rocks
What plates contains most of the United states?
The North American Craton.
Which is a part of the North American craton?
Eastern Canada.
The exposed portion of the North American craton containing metamorphic and igneous rocks is called the?
It's called the Canadian Shield.
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.
When was John Craton born?
John Craton was born in 1953.
What planet is currently visible in the North American sky?
As of October 2009, Jupiter is very bright and visible from sunset until about 1AM.
The relatively stable interior portion of a continent is known as a?
The relatively stable interior portion of a continent is a craton.
What is the stable core of a continent?
The stable core of a continent is the old, interior portion that has not experienced significant tectonic activity such as mountain-building or rifting for a long time. It consists of ancient, stable landmasses with low seismic activity and often includes cratons - the oldest and most rigid parts of a continent's lithosphere.
What is a craton?
Craton refers to the stable interior portion of a continent. It is composed of ancient crystalline basement rock, containing both shields and platforms.
