The Bt2 horizon has hue of 7.5YR or 10YR, value of 3 to 5, and chroma of 3 or 4. Texture is gravelly clay loam, clay loam, sandy clay loam, or gravelly loam. Reaction is slightly acid to neutral. The Bt3 horizon has hue of 5YR or 7.5YR, value of 3 or 4, and chroma of 2 to 4. Texture is the gravelly or very gravelly analogues of loam, clay loam or sandy clay loam.
Reaction is neutral or slightly alkaline.
Tongues of the Bt3 horizon extend from 6 to 25 inches into the underlying gravel and coarse sand and range in distance apart from 12 to more than 36 inches. The 2C horizon has hue of 10YR, value of 5 to 7, and chroma of 2 to 4. Texture is very gravelly coarse sand, gravelly coarse sand, gravelly sand, coarse sand, and sand, and is usually stratified. Reaction is slightly alkaline or moderately alkaline. These are Lorenzo soils.