

24d. Topography Summary: CT 1 , 2, 3 



Land form: Peat-mantled terrace or flat 



Shelter: Open (CT 1) to sheltered (CT 2, 3) 



Aspect : not applicable 



Slope Angle : not applicable 



Profile: Flat 



Surface patterns: generally smooth, except for small depressions, 



stream channels, etc. 

 Position: not applicable 



25. Physiographic characterization of natural area: 



An assemblage of early successional to pyroclimax brackish 

 marsh and palustrine forested wetland communities occupying a 

 very poorly drained, peat-mantled flat plain along the Alligator 

 River and the Intracoastal Waterway in the Coastal Plain Province 

 of the Atlantic Plain. 



Geological Formation: 



Recent peats over Pleistocene Pamlico Terrace Formation 

 sands and clays over Upper Miocene Yorktown Formation sands 

 and clays. 



Geological Formation age : 



Recent = less than 10,000 yrs. BP 



Pleistocene Pamlico Terrace = less than 100,000 yrs. BP 



Upper Miocene Yorktown Formation = 18-22 million years BP 



References Cited: 



Daniels, R. B. , E. E. Gamble, and w. H. Wheeler. 1978. Age 

 of Soil Landscapes in the Coastal Plain of North Carolina. Soil 

 Science Society of America Journal 42: 98-105. 



37 



