Earth Sciences: Geology: Regional: Page 2

Description of basin including sections on rhyolites flows and pyroclastics and basaltic-andesites.

Information on Mono Lake, California. Includes volcanic history, formation of tufa, and other information on the lake and its environs.

Information on musical sand(including squeaking sand and booming sand) and various powders which are milling products using stone mills.

Internet platform for the exchange of ideas and information about geology, research and exploration in North Africa.

The Oregon Department of Geology and Mineral Industries. News and information about state geology, gems and minerals, earthquakes and other natural hazards, energy resources, cartography, and related topics.

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.

A virtual geological field trip (1996) along the eastern margin and across the Tibetan Plateau. Also includes information about culture and politics.

An exploration of the geology of Colorado through mini-fieldtrips. Site contains pictures, information about the geology as well as a glossary, and links.

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.