This article is devoted to temperature changes in Earth's environment as determined from geologic evidence on multi-million to billion (109) year time scales.
The last 3 million years have been characterized by cycles of glacials and interglacials within a gradually deepening ice age..
For more information about the topic Geologic temperature record, read the full article at Wikipedia.org, or see the following related articles:
Temperature record The temperature record shows the fluctuations of the temperature of the atmosphere and the oceans through various spans of time. The most detailed ... >
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Sequence stratigraphy Sequence stratigraphy is a relatively new branch of geology that attempts to link prehistoric sea-level changes to sedimentary deposits.
The ... >
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Ice age An ice age is a period of long-term reduction in the temperature of Earth's climate, resulting in an expansion of the continental ice sheets, polar ... >
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Paleoclimatology Paleoclimatology is the study of climate change taken on the scale of the entire history of the earth. Glaciers are a widely employed instrument in ... >
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