Geotech.org, a geology informational Web site, is made available by middle school science teacher James M. Fausnaugh of Lakewood, Colorado. This collection of descriptions, illustrations, and photographs cover basic geology, mineralogy, geochemistry analogs and methods, naming strategraphic units, the geologic time scale, dinosaur facts, and much more. Anyone with little to moderate knowledge of...

The Journal of Geochemical Exploration, a journal for environmental and economic geochemistry from Elsevier Science, offers free access to all abstracts.

Mercury is the mythological messenger of the gods, and MESSENGER is a scientific exploration project organized and executed by NASA dedicated to the planet Mercury. MESSENGER stands for "MErcury Surface, Space ENvironment, GEochemistry, and Ranging" and it appropriately represents the project's wide range of scientific goals. Visitors interested in learning about the spacecraft that the Johns...

"The Clay Minerals Society (CMS) is an international community of scientists who promote research in and disseminate information on clay science and technology." The website provides downloads of materials dealing with various aspects of mineralogy, geochemistry, and petrology. Researchers can find out about annual meetings, awards and grants, and publications. Students and educators can find...

This extensive website features the University of Maryland's Geochemistry Laboratories' efforts to "produce the highest quality elemental and isotopic data, to teach students and visitors the techniques involved with gathering such data," and to develop new methods and instrumentation in the field of elemental and isotope measurements." Users can discover the Thermal Ionization, Plasma, and Gas...