The texture of the 2Bt horizon is silty clay loam or clay loam in the upper part and grades to loam, sandy clay loam, clay loam, and sandy loam in the lower part of some pedons. The upper 20 inches of the argillic horizon averages between 27 and 35 percent clay and from 15 to 35 percent fine sand or coarser. The 3Bt horizon formed in residuum from limestone. It has hue of 5YR, value of 3 or 4, and chroma of 3 to 6. In pedons that contain the upper boundary of the 3Bt horizon within 40 inches, the thickness of the 3Bt horizon is 5 inches or less.
Texture is silty clay or clay.
Clay content ranges from 55 to 70 percent. Chert content ranges from 0 to about 25 percent. These are the Amanda , Belmont , Belmore , Chenault , Chili , Coggon , Conestoga , Douds , El Dara , Gallman , Grellton , Hayden , Hebron , Hickory , High Gap , Hollinger , Kalamazoo , Kanawha , Kendallville , Kidder , Kosciusko , LeRoy , Letort , Lindley , Mandeville , Martinsville , McHenry , Miami , Mifflin , Military , Nodine , Norden , Ockley , Owosso , Pecatonica , Princeton , Rainsville , Rawson , Relay , Renova , Richland , Riddles , Sisson , Skelton , Strawn , Summitville , Theresa , Wawasee , Westville , Whalan , and Wykoff soils. The Amanda, Coggon, Conestoga, Hayden, Hickory, Letort, Lindley, Mandeville, McHenry, Owosso, Rainsville, Renova, Richland, Riddles, Shelton , and Wykoff soils do not have 5YR hues. The Belmont and Chenault soils have part of their sola formed in residuum from bedrock and have their sola terminated by lithic or paralithic contacts.