{"thcode":2,"term":{"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."},"uf":[{"name":"industrial mineral resources","usewith":false},{"name":"industrial minerals","usewith":false}],"bt":[{"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":[{"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."},{"code":132,"name":"building stone resources","parent":798,"scope":"Deposits of rocks used in construction, including crushed stone and dimension stone. Dimension stone includes limestone and granite, quarried in large blocks, and shaped in cubes, panels and other forms."},{"code":2303,"name":"fluorite","parent":798,"scope":"Mineral comodity calcium fluoride used in industrial applications and to produce hydrofluoric acid."},{"code":429,"name":"gem resources","parent":798,"scope":"Deposits of rare minerals prized for their color, durability, sparkle, and clarity when cut and polished and used as ornaments or jewelry."},{"code":2304,"name":"graphite","parent":798,"scope":"Mineral commodity composed of carbon arranged in sheet structures used in many ways, most recently in battery technology."}],"rt":[{"code":164,"name":"clay deposits","parent":1199,"scope":"Fine-grained sedimentary soil deposits, containing hydrated silicas of aluminum, that are plastic and sticky when wet and harden when heated."},{"code":312,"name":"economic geology","parent":464,"scope":"Scientific study of the formation, location, and use of marketable geologic materials including fuels, metals, minerals, and water."},{"code":500,"name":"gravel deposits","parent":1199,"scope":"Alluvial accumulations of small unconsolidated rock fragments, such as pebbles and cobbles, used in construction as fill, ground cover, or aggregate for concrete."},{"code":724,"name":"metallic mineral resources","parent":745,"scope":"Resources from which ductile, malleable, opaque,and reflective metals that are also good heat and electricity conductors can be extracted."},{"code":1011,"name":"sand deposits","parent":1199,"scope":"Deposits of loose particles of rock or mineral (sediment) that range in size from 0.0625-2.0 millimeters in diameter."}]}