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>

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  "geospatial"
]