The structural and compositional changes that the earth has undergone from its formation. Use for discussions of the whole earth (or large sections of it) instead of regional studies.
Fossil groups: Vertebrates [ More info] Information on vertebrate fossils and their use in paleontologic research in biostratigraphy, paleoclimatology, paleobiology, paleoecology, and earth history.
Precambrian Time - The Story of the Early Earth [ More info] Explains what we know about the early history of the earth and how we study the deposits formed during that time to understand the formation of the earth and life.
The Geologic Time Spiral - A Path to the Past [ More info] Poster depicting the changes in the Earth and its life throughout its history.
The Great Ice Age [ More info] Booklet (PDF format) on the Pleistocene glaciations known as the Great Ice Age and the resulting geomorphological, climatic, and environmental changes that occurred on Earth during the period.
Understanding our planet through chemistry [ More info] Site with a series of articles showing how chemists and geologists use analytical chemistry to determine the age of the Earth, determine Earth's history, predict volcanic eruptions, observe long-term atmospheric change and study pollution.
Alphabetical Index of Topics
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