Geology

Pangaea - An information system aimed at archiving, publishing and distributing data from global change research with special emphasis on geological, marine and environmental sciences.
http://www.pangaea.de/

Evolving Earth Foundation - Earth science and natural science resources, articles and online education.
http://www.evolvingearth.org/

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.
http://www.geography-site.co.uk/pages/physical.html

Geoscapes Photography - Geologic and natural history landscape photography of the western United States and Pacific islands.
http://www.geoscapesphotography.com/

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.
http://www.unh.edu/esci/wmsmith.html

Photo Geo Gallery - Image gallery of European geology.
http://www.fotogeo-jwieczorek.ans.pl/

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.
http://www.ldeo.columbia.edu/res/pi/4d4/planet/

Earth Science World - American Geological Institute resources for teachers and students. Includes searchable database of earth images, geologic time scale, and interactive features.
http://www.earthscienceworld.org

Wieczorek, Jozef - Research on the geology of the Tatra mountains and other publications by this researcher.
http://www.geo-jwieczorek.ans.pl/

Allexperts Geology - Geologists answer submitted questions about geology.
http://www.allexperts.com/browse.cgi?catLvl=3&catID=1359

Walter Geology Library - Listing of virtual and on-line geologic field trip guidebooks.
http://www.lib.utexas.edu/geo/onlineguides.html

GeoSmitty's Geology and Outdoor Pages - Information about geology, geocaching and other outdoor adventures.
http://www.angelfire.com/trek/geosmitty/