Table 3-27. Visual Descriptions Of Biological Sediment Samples 

 Collected At CLIS, July 1986 



Station 



CLIS-86-1 



CLIS-86-2 

 CLIS-86-3 

 CLIS-86-4 

 CLIS-86-5 



Description 



1-2 cm redox layer over black, oily, gelatinous 

 silty-gravel with shell hash underneath 

 Same as above 

 Same as above 

 Same as above 

 Same as above 



FVP-1 



FVP-2 



FVP-3 

 FVP-4 

 FVP-5 



STNH-N-1 



STNH-N-2 

 STNH-N-3 

 STNH-N-4 

 STNH-N-5 



1-2 cm oxidized layer over black sandy silt 



with petroleum odor. 



Similar to above but more sandy and colonized 



by hermit crabs and tube worms. 



Same as FVP-2 



Same as FVP-2 



Same as FVP-1 



Silt/clay with fine sand on top, dense worm 



tube assemblage, sand throughout 



Same as above 



Same as above 



Same as above 



Same as above 



MQR-1 



MQR-2 

 MQR-3 

 MQR-4 

 MQR-5 



NH-74-1 



NH-74-2 

 NH-74-3 



NH-74-4 

 NH-74-5 



NH-83-1 



NH-83-2 

 NH-83-3 

 NH-83-4 

 NH-83-5 



Highly reduced silt/clay layer with strong H 2 S 



odor, high water content 



Same as above 



Same as above 



Same as above 



Same as above 



5 cm layer of silty clay over medium sand, well 



developed redox, strong smell of H 2 S 



6-7 cm layer of silty clay over black sand 



1 cm redox over 4-5 cm black sandy silt over 



shell hash , numerous hydroids 



1 cm oxidized layer over black gelatinous silt 



Same as NH-74-4 



thin (1 cm) redox, over cohesive black silty 



sand, well colonized with worm tubes 



Same as above 



Same as above 



Same as above 



Same as above 



