{"thcode":2,"term":{"code":1145,"name":"tectonic processes","parent":451,"scope":"The structural forces affecting the deformation, uplift, and movement of the earth's crust."},"uf":[{"name":"continental drift","usewith":false},{"name":"dynamic geology","usewith":false},{"name":"paleotectonic maps","usewith":{"code":700,"name":"maps and atlases","parent":808,"scope":"Representation, usually on a flat surface, of a part or whole of the Earth or other parts of the universe.  Collections of maps linked digitally or bound together in a book are called atlases."}},{"name":"plate tectonics","usewith":false},{"name":"subduction","usewith":false},{"name":"tectonic maps","usewith":{"code":700,"name":"maps and atlases","parent":808,"scope":"Representation, usually on a flat surface, of a part or whole of the Earth or other parts of the universe.  Collections of maps linked digitally or bound together in a book are called atlases."}},{"name":"tectonics","usewith":false},{"name":"wilson cycle","usewith":false}],"bt":[{"code":451,"name":"geologic processes","parent":101,"scope":"All types of processes involving geological structures."},{"code":101,"name":"biological and physical processes","parent":1174,"scope":"All continuing activities, functions, and phenomena associated with organisms and non-living matter."},{"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":781,"name":"neotectonic processes","parent":1145,"scope":"Changes which took place during geological time after the Miocene era and are associated with the structural forces that affect the deformation, uplift, and movement occurring in the earth's crust."}],"rt":[{"code":292,"name":"earth structure","parent":287,"scope":"Major interior structural features of the planet earth."},{"code":304,"name":"earthquakes","parent":451,"scope":"Ground shaking caused by the sudden release of accumulated strain by an abrupt shift of rock along a fracture in the earth or by volcanic or magmatic activity, or other sudden stress changes in the earth."},{"code":403,"name":"folding (geologic)","parent":1699,"scope":"A property of geologic structures to bend or curve from the planar layers."},{"code":404,"name":"foliation (geologic)","parent":459,"scope":"The property of rocks or glaciers splitting into thin layers or plates due to the orientation of crystals and dynamic movement."},{"code":415,"name":"fracture (geologic)","parent":1699,"scope":"Break in a geologic structure including cracks, joints, and faults."},{"code":660,"name":"lineation (geologic)","parent":459,"scope":"Linear topographic feature on the earth's surface or in rocks."},{"code":1050,"name":"seismology","parent":470,"scope":"Branch of earth sciences concerned with the study of earthquakes and man-induced seismic waves."},{"code":1117,"name":"structural geology","parent":464,"scope":"Branch of geology concerned with the distribution, position, shape, and internal structure of rocks."},{"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."},{"code":1286,"name":"volcanic activity","parent":451,"scope":"Episodes during which gases, ash, and lava (molten rock) escape from vents in the earth's crust, accompanied by minor tremors."}]}