The Bk, Bky or BC horizons have hue of 7.5YR to 2.5Y, value of 5 to 7, and chroma of 2 to 7. Texture is silty clay or clay. Clay content ranges from 40 to 60 percent. Calcium carbonate equivalent ranges from 15 to 40 percent. The Cr horizon is predominantly weathered shale, massive marine clay or silty clay in shades of gray, olive, yellow or brown.
Texture ranges to loam sandy clay loam, or clay loam in some pedons.
Clay content is variable, ranging from 25 to 60 percent. Interbedded strata of limestone 2 to 24 inches in thickness occur in most pedons at depths of 40 to 80 inches. Layers of reddish shale with clay texture, occur in a few pedons. There are no competing series. Similar soils are the Altoga , Berda , Dugout , Ellis , Mangum , Owens , the tentative Tilvern series, Vernon , and Weymouth series.