LIST OF FIGURES ( CONTINUED ) 



Figure 3-18 Amphipod and polychaete tubes occur at the sediment 

 surface and feeding voids are visible at depth in 

 this REMOTS* image from station SW-2. 



Figure 3-19 Map showing "biofacies" at the Brenton Reef 

 historic disposal site, October 1987. 



Figure 3-20 REMOTS* image from station G-8 showing a dense mat 

 of ampeliscid amphipod tubes at the sediment 

 surface. 



Figure 3-21 The mapped distribution of REMOTS* Organism- 

 Sediment Index values at the Brenton Reef site, 

 October 1987. 



Figure 3-22 Frequency distributions of OSI values for Brenton 

 Reef REMOTS* grid stations (top) and reference 

 stations (bottom), October 1987. 



Figure 3-23 Contoured bathymetric chart of the Brenton-A study 

 area, October 1987. 



Figure 3-24 Contoured bathymetric chart of the Brenton-B study 

 area, October 1987. 



Figure 3-25 Contoured bathymetric chart of the Prudence study 

 area, October 1987. 



Figure 3-26 Seismic profile illustrating the diversity of 

 acoustic reflector patterns in inferred glacial 

 deposits, characteristic of sites Brenton A and 

 Brenton B in Rhode Island Sound. 



Figure 3-27 Seismic profile illustrating the fluvial 

 unconformity (the prominent reflector indicated by 

 the arrow) found to separate inferred glacial drift 

 deposits (lower unit) from Holocene deposits (upper 

 unit) . 



Figure 3-28 Map showing surficial textural characteristics at 

 the Brenton A study area. 



Figure 3-29 Results of grain size analysis on sediment grab 

 samples obtained at stations 1 thru 12 (triangles) 

 at the Brenton-A study area. 



Figure 3-30 Map showing surficial textural characteristics at 

 the Brenton B study area. 



