{"thcode":2,"term":{"code":2302,"name":"barite","parent":798,"scope":"Mineral commodity barium sulfate used in many applications where a high-density non-metallic subsance is needed, such as drilling mud and medical technology."},"uf":[],"bt":[{"code":798,"name":"nonmetallic mineral resources","parent":745,"scope":"Useful mineral deposits that are not metals.  Includes materials used for construction, decoration, fuel, and industrial purposes."},{"code":745,"name":"mineral resources","parent":777,"scope":"Natural occurrences of useful inorganic elements or compounds."},{"code":777,"name":"natural resources","parent":1174,"scope":"Stocks of anything naturally occurring that have a beneficial use for man including economic, nutritional, recreational, aesthetic, and other benefits."},{"code":1174,"name":"topics","parent":1,"scope":"Themes, subjects, and concerns for which USGS information resources are relevant."},{"code":1,"name":"Categories","parent":null,"scope":"Thematic terms for categorizing information resources.  This thesaurus is intended to support finding and understanding scientific information."}],"nt":[],"rt":[]}