24d. Topography Summary: CT 1 



Landform: non-alluvial flat (former lake margin) 



Shelter: closed 



Aspect : n/a 



Slope Angle: n/a 



Profile: Flat 



Surface patterns: Generally smooth 



Position: n/a 



25. Physiographic characterization of natural area: 



A late successional community occupying a very poorly 

 drained, non-alluvial flat near the margin of Lake Matta- 

 muskeet in the Coastal Plain Province of the Atlantic Plain. 



Geological Formation: 



Pleistocene (Pamlico Terrace) sands and clays over Upper 

 Miocene (Yorktown Formation) fossiliferous sands and clays. 



Geological Formation age: 



Pleistocene (Pamlico Terrace) : less than 100,000 yrs. BP 

 Upper Miocene (Yorktown Formation) : 18-22 million yrs. 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 Soc. of Am. Journal 42: 98-105. 



200 



