{"thcode":2,"term":{"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."},"uf":[{"name":"crushed stone","usewith":false},{"name":"dimension stone","usewith":false}],"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":[{"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":1005,"name":"rocks and deposits","parent":287,"scope":"Solid masses that make up the earth's crust as well as accumulations of materials. Use for major rock types and unconsolidated deposits. For deposits of economic value, see related terms."},{"code":1037,"name":"sedimentology","parent":464,"scope":"Branch of earth sciences concerned with the study of the origin, composition, transport, and changes of materials deposited by water, wind, or ice."}]}