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.
An information system aimed at archiving, publishing and distributing data from global change research with special emphasis on geological, marine and environmental 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.
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.
