| Allexperts Geology: Geologists answer submitted questions about geology. |
| Earth Science World: American Geological Institute resources for teachers and students. Includes searchable database of earth images, geologic time scale, and interactive features. |
| Evolving Earth Foundation: Earth science and natural science resources, articles and online education. |
| Geography Site: Physical Geography: Illustrated descriptions and explanations of earthquakes, plate tectonics, glaciers and glacial landforms, and volcanoes and volcanic deposits, intended for students up to age 16, but suitable for a wider audience. |
| Geological Society: General geology portal site, including links, products, and a discussion forum for professionals and students. |
| Geoscapes Photography: Geologic and natural history landscape photography of the western United States and Pacific islands. |
| GeoSmitty's Geology and Outdoor Pages: Information about geology, geocaching and other outdoor adventures. |
| Pangaea: An information system aimed at archiving, publishing and distributing data from global change research with special emphasis on geological, marine and environmental sciences. |
| Photo Geo Gallery: Image gallery of European geology. |
| Planet Earth: An Introduction to Earth Sciences: Online text by Roger N. Anderson of Columbia University. Covers origins of the earth and life, plate tectonics, and formation and deformation of continents. |
| Strata: William Smith on the Web: Publications of the father of modern geology, who first drew a chart of the strata under the surface of the earth. Printable version of Smith's famous geologic map of England. |
| Walter Geology Library: Listing of virtual and on-line geologic field trip guidebooks. |
| Wieczorek, Jozef: Research on the geology of the Tatra mountains and other publications by this researcher. |
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