Soils Parent Material Name

<div style='text-align:Left;'><div><div><p style='margin:0 0 0 0;'><span><span>Parent material name is a term for the general physical, chemical, </span></span></p><p style='margin:0 0 0 0;'><span><span>and mineralogical composition of the unconsolidated material, mineral </span></span></p><p style='margin:0 0 0 0;'><span><span>or organic, in which the soil forms. Mode of deposition and/or weathering </span></span></p><p style='margin:0 0 0 0;'><span>may be implied by the name. </span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span><span>The soil surveyor uses parent material to develop a model used for soil </span></span></p><p style='margin:0 0 0 0;'><span><span>mapping. Soil scientists and specialists in other disciplines use parent </span></span></p><p style='margin:0 0 0 0;'><span><span>material to help interpret soil boundaries and project performance of </span></span></p><p style='margin:0 0 0 0;'><span><span>the material below the soil. Many soil properties relate to parent material. </span></span></p><p style='margin:0 0 0 0;'><span><span>Among these properties are proportions of sand, silt, and clay; chemical </span></span></p><p style='margin:0 0 0 0;'><span><span>content; bulk density; structure; and the kinds and amounts of rock fragments. </span></span></p><p style='margin:0 0 0 0;'><span><span>These properties affect interpretations and may be criteria used to separate </span></span></p><p style='margin:0 0 0 0;'><span><span>soil series. Soil properties and landscape information may imply the kind of </span></span></p><p style='margin:0 0 0 0;'><span>parent material.</span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span><span>For each soil in the database, one or more parent materials may be identified. </span></span></p><p style='margin:0 0 0 0;'><span><span>One is marked as the representative or most commonly occurring.The representative </span></span></p><p style='margin:0 0 0 0;'><span>parent material name is presented here.</span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span><span>This data set is a digital soil survey and generally is the most</span></span></p><p style='margin:0 0 0 0;'><span><span>detailed level of soil geographic data developed by the National</span></span></p><p style='margin:0 0 0 0;'><span><span>Cooperative Soil Survey. The information was prepared by digitizing</span></span></p><p style='margin:0 0 0 0;'><span><span>maps, by compiling information onto a planimetric correct base</span></span></p><p style='margin:0 0 0 0;'><span><span>and digitizing, or by revising digitized maps using remotely</span></span></p><p style='margin:0 0 0 0;'><span>sensed and other information.</span></p><p style='margin:0 0 0 0;'><span /></p><p style='margin:0 0 0 0;'><span><span>This data set consists of georeferenced digital map data and</span></span></p><p style='margin:0 0 0 0;'><span><span>computerized attribute data. The map data are in a soil survey area</span></span></p><p style='margin:0 0 0 0;'><span><span>extent format and include a detailed, field verified inventory</span></span></p><p style='margin:0 0 0 0;'><span><span>of soils and miscellaneous areas that normally occur in a repeatable</span></span></p><p style='margin:0 0 0 0;'><span><span>pattern on the landscape and that can be cartographically shown at</span></span></p><p style='margin:0 0 0 0;'><span><span>the scale mapped. The soil map units are linked to attributes in the</span></span></p><p style='margin:0 0 0 0;'><span><span>National Soil Information System relational database, which gives</span></span></p><p style='margin:0 0 0 0;'><span>the proportionate extent of the component soils and their properties.</span></p></div></div></div>