Geology

This database is an interface to a crystal structure database that includes every structure published in The American Mineralogist, The Canadian Mineralogist, and The European Journal of Mineralogy. The database is maintained under the care of the Mineralogical Society of America and the Mineralogical Association of Canada, and financed by the National Science Foundation.

Interactive world map with a variety of geologic information.

Interactive geologic map of North America. Produced by the United States Geological Survey.

The USGS is a science organization that provides impartial information on the health of our ecosystems and environment, the natural hazards that threaten us, the natural resources we rely on, the impacts of climate and land-use change, and the core science systems that help us provide timely, relevant, and useable information.

Established in 1888, The Geological Society of America® provides access to elements that are essential to the professional growth of earth scientists at all levels of expertise and from all sectors: academic, government, business, and industry.