Information on Mono Lake, California. Includes volcanic history, formation of tufa, and other information on the lake and its environs.
Searchable catalog of paper and digital geologic maps, mostly for the U.S. Maps and related data cover: geology, hazards, earth resources, geophysics, geochemistry, geochronology, paleontology, and marine geology.
Clearinghouse of geoscience information for Honduras and Central America.
pictures and descriptions of geology shown from field trips to various places around the United States
Information on musical sand(including squeaking sand and booming sand) and various powders which are milling products using stone mills.
The geology of Virginia by province: descriptions, diagrams, maps, photographs, and geologic history of the Appalachian Plateau, Valley and Ridge, Blue Ridge, Piedmont, and Atlantic Coastal Plain geologic provinces.
About the geology of the North America deserts, including the formations, rocks, gems and minerals found there.
Internet platform for the exchange of ideas and information about geology, research and exploration in North Africa.
Description of basin including sections on rhyolites flows and pyroclastics and basaltic-andesites.
An exploration of the geology of Colorado through mini-fieldtrips. Site contains pictures, information about the geology as well as a glossary, and links.
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Government_Geological_Surveys
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