{"thcode":2,"term":{"code":459,"name":"geologic structure","parent":287,"scope":"General position of rocks in an area, and geometrical relationships among rocks."},"uf":[],"bt":[{"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":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":660,"name":"lineation (geologic)","parent":459,"scope":"Linear topographic feature on the earth's surface or in rocks."},{"code":1118,"name":"structure contours","parent":459,"scope":"Gridding and contouring lines drawn on geologic maps to depict boundaries of structural features."}],"rt":[{"code":1699,"name":"deformation (geologic)","parent":451,"scope":"Change in form and structure of geologic materials in response to stress, typically heat and pressure."},{"code":292,"name":"earth structure","parent":287,"scope":"Major interior structural features of the planet earth."},{"code":1748,"name":"geologic maps","parent":700,"scope":"Maps depicting geological characteristics of the earth's surface, including lithology, geologic structure, age, and the results of crustal processes. Used where the product includes a depiction of the map as a whole, not for data sets that could be used to create a map."},{"code":2298,"name":"inverse modeling","parent":713,"scope":"An iterative approach to estimate the form and characteristics of a physical system explained by observations or measurements. Frequently used to determine a subsurface geological structure from measurements of physical properties obtained at or near the earth's surface."},{"code":1103,"name":"stratigraphic sections","parent":287,"scope":"Vertical arrangement in layers of rock units whose sequence is used to study the geological history of the strata."},{"code":1117,"name":"structural geology","parent":464,"scope":"Branch of geology concerned with the distribution, position, shape, and internal structure of rocks."}]}