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Antarctica

In Our Time

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Antarctica's Ancient History and Evolution

Exploring the geological journey of Antarctica from the equator within Gondwana 3 billion years ago to its current polar position, the chapter discusses the continent's historical shifts impacting global positioning. Fossil evidence suggests Antarctica once had a warmer climate, with the formation and spread of the Antarctic ice sheet about 35 million years ago drastically altering its landscape and biodiversity. The chapter further delves into the geological record of Antarctica, examining ice core data, glacial cycles, and the significant impact of the continent's deep freeze on global sea levels.

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