|Cape Fear Formation, South Carolina Coastal Plain
Gohn and others (1977) described sediment samples of the Cape Fear Formation derived from a well near Charleston. Their analysis of the sands (their figure 4) indicates that the sands are immature and contain between 2- and 35-percent feldspar.
Gohn, G. S., Higgins, B. B., Smith, C. C., and Owens, J. P., 1977, Lithostratigraphy of the deep corehole (Clubhouse Crossroads Corehole 1) near Charleston, South Carolina: U.S. Geological Survey, Professional Paper 1028E, p. 59–70.