The inorganic layer of earth composed of sand, silt, and clay, in varying amounts, with less than 20 percent organic matter in the surface layer.

Organic-free soil that contains rock less than 2 inches in maximum dimension.

Soil that is mainly mineral material and low in organic material. Its bulk density is more than that of organic soil.

A soil made up of mainly mineral material (compare with organic soil).

Soil layers below the predominantly organic horizons; soil with little combustible material.

A soil consisting predominantly of products derived from the weathering of rocks (e.g., sands, silts, and clays).

Soil that has little or no organic matter.

A soil consisting predominantly of, and having its properties determined predominantly by, mineral matter usually containing less than 20 percent organic matter.

Any soil consisting primarily of sand, silt, or clay materials rather than organic matter.

Soil that consists mainly of inorganic material, such as weathered rock, rather than organic matter. ( FS People's Glossary of Eco Mgmt Terms)

soils containing relatively low % undecomposed plant/animal/microbe tissue; can be hydric or non-hydric; common in all physiographic provinces of NC

Forestry Operations & Water Quality] soil or that part of a soil consisting predominately of and having its properties determined predominately by mineral matter, usually containing less than 20% organic matter.

A soil that is composed predominantly of mineral material cf. ORGANIC SOIL.