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Questions and Answers
What percentage of Earth's history is represented by the Paleozoic Era?
6%
What is the age of the Earth in billion years?
4.6 billion
What is the term used to describe the relatively stable and immobile part of a continent?
craton
What is the term used to describe the exposed portion of the crystalline basement rocks of a continent?
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What is the term used to describe a shallow inland sea that transgressed and regressed over the craton?
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What are the three major geological eras in Earth's history?
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What is the term used to describe the part of a continent where flat or gently-dipping sedimentary rocks were deposited?
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Define cratons.
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What is the term used to describe elongated areas of mountain-building activity?
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What is the term used to describe a shallow inland sea that transgressed and regressed over the craton?
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