{"thcode":2,"term":{"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."},"uf":[],"bt":[{"code":470,"name":"geophysics","parent":291,"scope":"Branch of geology studying the physical characteristics and phenomena of the earth and its atmosphere."},{"code":291,"name":"earth sciences","parent":1019,"scope":"Broad term for all science related to the study of the earth."},{"code":1019,"name":"sciences","parent":1,"scope":"Major educational fields, fields of study, and professional groupings within USGS."},{"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":61,"name":"asthenosphere","parent":690,"scope":"A layer of the earth within the upper mantle and directly below the lithosphere. This layer has a semi-solid consistency that reaches to about 200 kilometers (124 miles) below the surface."},{"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":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":288,"name":"earth history","parent":455,"scope":"The structural and compositional changes that the earth has undergone from its formation. Use for discussions of the whole earth (or large sections of it) instead of regional studies."},{"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":667,"name":"lithosphere","parent":219,"scope":"The solid outer zone of the earth comprising the crust and the upper layer of the mantle."},{"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."},{"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."},{"code":1117,"name":"structural geology","parent":464,"scope":"Branch of geology concerned with the distribution, position, shape, and internal structure of rocks."},{"code":1145,"name":"tectonic processes","parent":451,"scope":"The structural forces affecting the deformation, uplift, and movement of the earth's crust."},{"code":1289,"name":"volcanology","parent":464,"scope":"The branch of geology that deals with volcanism and the processes involved in magma flow and eruption through a vent in the earth's surface."}]}