The Bt or Btg horizon has hue of 10YR, value of 4 or 5, and chroma of 2 to 4. Texture is loam, clay loam, or sandy clay loam and is commonly stratified. Thin strata of fine sandy loam, sandy loam, silt loam and silty clay loam are in some pedons. Iron depletions with chroma of 2 or less are on faces of peds throughout the argillic horizon. Rock fragment content ranges from 0 to 7 percent.
Reaction ranges from moderately acid to neutral.
The 2Bt, 2Btg, 2BC, or 2BCg horizon has hue of 10YR or 2.5Y, value of 4 or 5, and chroma of 2 to 4. Texture is silty clay loam or silt loam. Thin strata of silty clay, loam, fine sandy loam, loamy fine sand or fine sand are in some pedons. Rock fragment content is less than 1 percent. Reaction is neutral or slightly alkaline.