The Zenker series consists of very deep and deep, well drained soils formed in weathered sandstone. Zenker soils are on colluvial mountain slopes and have slopes of 8 to 90 percent. Zenker silt loam - forested. The solum thickness and depth to bedrock ranges from 40 to more than 60 inches. The umbric epipedon ranges from 10 to 20 inches in thickness.
Reaction ranges from moderately acid to extremely acid.
It has 0 to 70 percent pebble-size weathered sandstone fragments. It has 20 to 70 percent pebble-size weathered sandstone fragments. Texture is loam or silt loam. It is silt loam or loam in the fine-earth fraction. There are no competing series.