{"thcode":4,"term":{"code":"6.4","name":"Phyllonite","parent":"6","scope":"A rock that macroscopically resembles phyllite but that is formed by mechanical degradation (mylonitization) of initially coarser rocks..."},"uf":[],"bt":[{"code":"6","name":"Tectonite","parent":"0","scope":"A rock whose fabric reflects the history of its deformation."},{"code":"0","name":"Earth material","parent":null,"scope":"Geologic map unit classification (Bruce R. Johnson) version 6.2: A hierarchical classification of earth materials for digital geologic maps."}],"nt":[],"rt":[]}