{"thcode":2,"term":{"code":667,"name":"lithosphere","parent":219,"scope":"The solid outer zone of the earth comprising the crust and the upper layer of the mantle."},"uf":[],"bt":[{"code":219,"name":"crust (earth)","parent":292,"scope":"The outermost layer of the earth which is relatively thin, of lower density than the core, and rocky."},{"code":292,"name":"earth structure","parent":287,"scope":"Major interior structural features of the planet earth."},{"code":287,"name":"earth characteristics","parent":1174,"scope":"The measurable, definable properties and features of the earth."},{"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":199,"name":"continental lithosphere","parent":667,"scope":"The earth's hard, outermost shell comprised of the crust and the upper part of the mantle."},{"code":824,"name":"oceanic lithosphere","parent":667,"scope":"The solid outer zone of the earth, covered by seawater, and comprised of the crust and the upper layer of the mantle."}],"rt":[{"code":690,"name":"mantle (earth)","parent":292,"scope":"Zone of earth's interior between the crust and the core.  It is 2,900 kilometers (1,740 miles) thick and consists of a dense upper layer (upper mantle) and a partially molten lower layer (lower mantle), separated by a transition zone."},{"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":1147,"name":"tectonophysics","parent":470,"scope":"Branch of geophysics concerned with the structural forces affecting the deformation, uplift, and movement of the earth's crust."}]}