Digital Encyclopedia of Earth Science
Welcome to our free, open-access Earth science textbook.
Over the next several years, the Digital Encyclopedia of Earth Science will grow to cover most Earth science topics. Initial subjects covered include big ideas, minerals, fossils, climate, and climate change (links below).
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Chapters coming soon: Rocks; Plate Tectonics
Minerals, Rocks, and the Earth Itself
Topics: Silicate Minerals | Non-Silicate Minerals
Coming soon: Chapters on rocks and plate tectonics.
Fossils, Paleontology, and Evolution
Note: We are in the process of transferring content from our Digital Encyclopedia of Ancient Life to Earth@Home. For now, chapters related to paleontology and biology will remain hosted on the DEAL (links below).
Concepts: Nature of the Fossil Record | Evolution and the Fossil Record | Systematics | Paleoecology | Conservation Paleobiology
Taxonomic Groups: Porifera (Sponges) | Scleractinian Corals | Rugose Corals | Tabulate Corals | Brachiopoda | Bryozoa | Gastropoda | Cephalopoda | Echinodermata | Chordata | Embryophytes (Land Plants)
Over 500 interactive 3D models of fossil specimens from our collections and museum exhibits.