NO. 10 



MISSISSIPPI EMBAYMENT SHORE LINES — COOKE 



35 



seen at St. Landry (Turkey Creek quadrangle) and at many places 

 within the Bunkie quadrangle. 



Water backed up Little River for several miles above Catahoula 

 Lake, which now is blocked by delta deposits. The Talbot bay 

 extended up the Mississippi Valley at least as far as Dismal Swamp 

 (Deer Park quadrangle) in Concordia Parish. 



The name Talbot terrace dates from 1901, when Shattuck (1901, 

 p. 103) applied it to a marine and estuarine terrace in Maryland 

 having a shore line near 45 feet above sea level. It is the same as 



<^ 



f 



MISSISSIPPI 



\ 



LOUISIANA 



TEXAS } 



V 



i Opelousas* 



; Lake Charles Crowley* 



25 . 50 75 100 Miles 



GULF OF MEXICO 



Fig. 20. — Shore line of the Pamlico terrace in Louisiana. 



the terrace in North Carolina later called Chowan by Stephenson 

 (1912, p. 328). The terrace has also been described and mapped 

 in South Carolina (Cooke, 1936a) and Georgia (Cooke, 1939b; 

 1943). The upper level of the "Pensacola terrace" of Matson (Mat- 

 son and Sanford, 1913, p. 34; Cooke, 1939a, p. 40) is equivalent 

 to the Talbot terrace. 



When the sea withdrew from the Talbot terrace to an undetermined 

 lower level it came to rest at 25 feet. 



Pamlico terrace {shore line 25 feet). — The generalized outlines of 

 the Pamlico shore in Louisiana are shown in figure 20. The capes 

 at the mouth of the largest Pamlico bay stood near Hope Villa, 



