{"thcode":61,"term":{"code":471,"name":"well logging","parent":470,"scope":"monitoring the sequence of earth materials in a borehole by examining cuttings from successive depth intervals."},"uf":[],"bt":[{"code":470,"name":"rotary drilling","parent":464,"scope":"includes all types of rotary drilling, regardless of bit type (fixed cutter, roller cone, or auger) or sampling method (cores or cuttings)."},{"code":464,"name":"drilling and coring","parent":462,"scope":"used for all methods of creating boreholes and retrieving either intact samples (cores) or disturbed samples (cuttings)."},{"code":462,"name":"sampling","parent":400,"scope":"used for the collection of physical samples and also images that document physical conditions."},{"code":400,"name":"field observation","parent":398,"scope":"scientific investigation of physical or biological features and processes in a natural setting."},{"code":398,"name":"research method","parent":1,"scope":null},{"code":1,"name":"Marine Realms Information Bank (MRIB) keyword categories","parent":null,"scope":null}],"nt":[],"rt":[]}