51 



Black Rock Harbor 



▲ 

 ▲ 



Stamford Harbor^.'cj] 

 x 



x A. 



x 



New Haven Harbor 

 Capping Material 

 (approximate region) 



400 600 800 

 Zn (ppm) 



1000 1200 



+ New Haven ■ Black Rock 

 x STNH-N Cores * CS-2 Cores 



a Stamford 



n STNH-S Cores 



Figure 4-6. Results from the first CLIS coring operations as compared to historical data. 

 Capping material for all mounds was derived from New Haven Harbor. 

 Capped material was derived from Stamford Harbor (STNH-N, STNH-S) and 

 Black Rock Harbor (CS-2). 



Sediment Core Chemistry Data Summary from the MQR Mound, August and December 1991 



