222 THE COASTAL PLAIN OF NORTH CAROLINA.

The two lower layers of the Miocene fill a basin in the underlying
Cretaceous and are only present in part of the bluff. The Miocene i
separated from the underlying Cretaceous by a well-marked uncon-
formity. (See Plate IX, B, opposite p. 209.)

Road Crossing of Sam’s Branch, 5 Miles N suid of Greenville
‘Exposed along roadside is a thickness of about 15 feet of
drab clay stained with iron along cracks and overlain by about 20 fe
of cross-bedded coarse brown to white Pleistocene sand. This drab

is dpe gg: laminated and contains lenses of coarse gray ‘to buff s sa