Natural occurrences of useful inorganic elements or compounds.
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.
Platinum-group elements: so many excellent properties [ More info] These elements, abbreviated as PGE, include platinum, palladium, rhodium, ruthenium, iridium, and osmium. They have similar physical and chemical properties and occur together in nature.
Potential environmental impacts of quarrying stones in karst - a literature review [ More info] This report is the result of an extensive literature search to determine the state-of-the-knowledge regarding environmental impacts from quarrying carbonate rocks in karst formations to better use of karst resources in sustainable ways.
Rare earth elements--End use and recyclability [ More info] Rare earth element use is changing with technology. This report explains how we use them and the prospects for recycling these important commodities.
Recent trends in Cuba's mining and petroleum industries [ More info] Mines, mineral processing facilities, and petroleum facilities as well as information on location, operational status, and ownership in Cuba, as well as current status of known mineral industry projects and trends in the industry there.
Rhenium: a rare metal critical in modern transportation [ More info] Explains how we use this rare metal, where it comes from, and describes the supply and demand situation for this commodity.
Alphabetical Index of Topics
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