Some pedons have a BA horizon. The Bt horizon has hue of 10YR, value of 3 to 5, and chroma of 1 to 6. It is silt loam or silty clay loam. Average clay content ranges from 25 to 35 percent. Low chroma is associated with low value.
Reaction ranges from moderately acid to neutral.
The 2Bt horizon has hue of 10YR, 2.5Y, or 7.5YR, value of 4 or 5, and chroma of 2 to 4. It is clay loam, loam, silty clay loam, or silt loam. Clay content ranges from 20 to 35 percent and sand content ranges from 15 to 45 percent. Gravel content is less than 15 percent. Reaction ranges from moderately acid to slightly alkaline and commonly is most acid in the upper part.