Natural occurrences of useful inorganic elements or compounds.
Geology research and information [ More info] Alternative web access to geological, geochemical, and geophysical research programs that are divided among the new USGS mission areas.
Geology, geochemistry and geophysics of sedimentary rock-hosted gold deposits in China [ More info] Second report of a joint project with the Tianjin Geological Academy to study sedimentary rock-hosted Au deposits in China.
Geoscience Data Catalog [ More info] A catalog of earth science data produced by the U.S. Geological Survey with documentation and links to the data files. Catalog is searchable by geographic location and publication series number. Includes links to information on metadata and its use.
Lead-Soft and easy to cast [ More info] Explains how we use lead, where it comes from, and how we might ensure that we have adequate supplies of this mineral commodity in the future.
Lithium: for harnessing renewable energy [ More info] Explains how this element is used, where we get it, and prospects for future supply and demand.
Manganese: it turns iron into steel (and does so much more) [ More info] Explains how we use this metal, where we get it, and describes the current trends in supply and demand.
National Geologic Map Database Catalog [ More info] Search tool for locating print and online U.S. geologic maps by area, title, author, etc.
Natural gemstones [ More info] Online booklet on natural gemstones, terminology, geologic environment, birthstones, U.S. production, chemical formulas, and references.
Nickel - Makes stainless steel strong [ More info] Uses, sources, and history of Nickel as a mineral commodity.
Niobium and tantalum: indispensable twins [ More info] Explains why these elements are commonly discussed together, how they are used, where we get them, and prospects for future supply and demand.
Alphabetical Index of Topics
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