Advance copy (1978). Belhaven Phosphatic Sand Member of Pungo River Formation. Consists of medium greenish-brown phosphatic sand with gray-green clay and limestone and dolomite beds. Thickness at type 58 feet (18 m). Unconformably overlies the Castle Hayne Formation; conformably underlies the Bonnerton Member of Pungo River. Age is early and middle Miocene.
Type section (subsurface): depth-interval 152 to 210 ft (46 to 64 m), corehole AU-1-GRL, near Aurora, Aurora 7.5-min quadrangle, Beaufort Co., NC. Named from town of Bonnerton, Beaufort Co., NC (Albemarle embayment).
Source: Modified from GNU records (USGS DDS-6; Reston GNULEX).
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