Geologists answer submitted questions about geology.

Online text by Roger N. Anderson of Columbia University. Covers origins of the earth and life, plate tectonics, and formation and deformation of continents.

American Geological Institute resources for teachers and students. Includes searchable database of earth images, geologic time scale, and interactive features.

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.

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.

General geology portal site, including links, products, and a discussion forum for professionals and students.

Research on the geology of the Tatra mountains and other publications by this researcher.

Earth science and natural science resources, articles and online education.

Information about geology, geocaching and other outdoor adventures.

Listing of virtual and on-line geologic field trip guidebooks.