Kind of Surface Material
|Title||Kind of Surface Material|
|Description||Kind of soil, rock outcrop or other material at the surface.|
|Classes||Kind of surface material: 10 classes. First used in SLC 1.0.|
Predominantly mineral particles; contains <30% organic matter as measured by weight.
Contains >30% organic matter as measured by weight.
Rock that can be dug with a shovel (i.e. undifferentiated shales, upper Cretaceous and Tertiary materials).
|R2||Hard rock, acidic||
|R3||Hard rock, basic||
Hard rock of unspecified origin and undifferentiated properties.
Frost-heaved bedrock, rock slides and talus material.
Urban areas. Note that only a few major urban area polygons are included on maps, therefore, do not use for tabulating total urban coverage.
|IC||Ice and snow||
Glacial ice and permanent snow.