{"thcode":4,"term":{"code":"1.6.2.2","name":"Sub\/supra-glacial sediment","parent":"1.6.2","scope":"A variety of irregularly stratified sand and gravel deposits, such as eskers, kames, etc., that were deposited by a subglacial or supra-glacial stream or pond and were left behind when the ice melted"},"uf":[],"bt":[{"code":"1.6.2","name":"Stratified glacial sediment","parent":"1.6","scope":"Stratified glacial drift deposited by, or reworked by running water, or deposited in standing water."},{"code":"1.6","name":"Glacial drift","parent":"1","scope":"A general term applied to all rock material (clay, silt, sand, gravel, boulders) transported by a glacier and deposited directly by or from the ice, or by running water emanating from a glacier."},{"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":[]}