Bogart, Centerburg, Thackery, Tuscola, Vaughnsville, and Williamstown soils are greater than 60 inches to bedrock. Haney and Mount Lucas soils do not have rock fragments of porcelanite. Reaville soils have bedrock at less than 40 inches. Lehigh soils are nearly level to moderately steep soils on hills and low ridges. The porcelanite areas commonly occur in bands separating areas of diabase and red triassic sandstone and shale.
Climate is continental with warm summers and cold winters.
Mean annual rainfall ranges from 40 to 48 inches. The frost-free season ranges from about 165 to 200 days. They occur in close association with the well drained Brecknock soils and the poorly drained Croton soils. They are associated with the Legore , Montalto , Neshaminy , Penn , Readington , and Watchung soils. Legore, Montalto, Neshaminy, and Penn soils are well drained and do not have mottling in the B horizon.