Texture is silt loam or silty clay loam. Reaction is extremely acid to moderately acid. The 2Btx horizon has hue of l0YR or 7.5YR, value of 4 to 6, and chroma of 4 to 8, or with hue of 5YR, value of 4 or 5, and chroma of 4 or 6, and mottled in shades of gray and red, or it is a mottled horizon in shades of gray, brown, and red. Texture of the fine-earth is silt loam, loam, or silty clay loam. The upper part of the 2Btx horizon has 0 to 35 percent by volume angular chert fragments and the lower part of the 2Btx horizon has 0 to 70 percent by volume chert fragments.
Reaction is extremely acid to moderately acid.
The 3Bt horizon below the fragipan is variable in short distances. Hue ranges from l0R to 10YR, value of 3 to 6, and chroma 4 to 8, or it is a mottled horizon in shades of red, gray, and brown. Texture of the fine-earth is silty clay loam, silty clay, clay loam, or clay. Chert content is extremely variable over short distances ranging from as low as 30 percent by volume to as much as 90 percent by volume in discontinuous beds. Reaction is extremely acid to moderately acid.