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.

A virtual atlas from an ore-petrologist studying the Central Wales polymetallic vein mineralisation.

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

Features British Geological Survey geological map of Cornwall, along with publications article extracts and pictorial gallery of geological features and processes.

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.

Photographs and information on the geology of these formations and this region near Las Vegas.

Extensive information about the teconic and metamorphic evolution of the Central Himalayan Domain in Zanskar (Kashmir, India). Also contains information on historical and cultural aspects of the region.

Resource with photographs of landscapes and other geologic features of Arizona.

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

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