192 THE COASTAL PLAIN OF NORTH CAROLINA.

Eocene (Castle Hayne and Trent) : Freer,
Calcareous marl] interstratified with strata of shells............. 65
TASER: BNEIE SOC Races ay cea es ca ae pee N ins ae Abie ipa aed
Shell marl, containing some water.
paislc) py at 0) ae mean ry Tar sma ena nal Rahn garam stag ima yore ane oe ghey
Shell rock with cavities, water-bearing.............0..eceeceeee

SECTION ‘AT BLACK ROCK LANDING, RIGHT BANK OF CAPE FEAR RIVE

‘ 37 MILES ABOVE WILMINGTON.
Pleistocene:

Mottled red and orange-yellow sand, passing downward into a
_  brownish-yellow sandy Clay..........-..eeee cece eee eee eeeees
Layer of fine quartz pebbles poorly exposed...........seeeseeeee

Eocene (Castle Hayne): thy
White sand containing considerable caleareous material and in-
closing some fragile fossils. At the base are some phosphatic
sepa a few i has measure over 6 inches a emotes: ;

Cretaceous:
; _ Dark blue to black mieaceous aay clay