{"thcode":4,"term":{"code":"1.5.5","name":"Talus","parent":"1.5","scope":"An outward sloping and accumulated heap or mass of rock fragments of any size or shape (usually coarse and angular) derived from and lying at the base of a cliff or very steep, rocky slope, and formed chiefly by gravitational falling, rolling, or sliding."},"uf":[],"bt":[{"code":"1.5","name":"Mass wasting material","parent":"1","scope":"Deposits formed by the dislodgement and downslope transport of soil and rock material under the direct application of gravitational body stresses."},{"code":"1","name":"Unconsolidated material","parent":"0","scope":"A sediment that is loosely arranged or unstratified, or whose particles are not cemented together, found either at the surface or at depth."},{"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":[]}