Needleseye Conglomerate Member of Vandever Formation. At type section consists of 110 feet of thick-bedded, fine- to medium-grained, light-brownish-gray to light-brown conglomeratic sandstone, cross-bedded in part. Conformably underlies unnamed upper shale member of Vandever (silty shales). Overlies with slight disconformity unnamed lower shale member of Vandever (silty shales). Age is Pennsylvanian.
Type section: along road leading from Huckleberry (crossing Mowbray Creek) to Mowbray Church, in southwestern part of Soddy (111-SW) quadrangle, about 5 mi northeast of Needleseye which is located just west of Sawyer Cemetery at 2,215,900 E., 298,300 N. (TN coordinate system), southeastern TN.
Caps flat upper surface of much of southern part of Walden Ridge, [to west in Ketner Gap quadrangle, see R.C. Milici and others, 1972, Tennessee Div. Geol., Geol. Quad. Map GM 105-NW].

Source: US geologic names lexicon (USGS Bull. 1350, p. 522).