APPENDIX A 

 CORE SEDIMENT DESCRIPTIONS 



This appendix contains core sediment descriptions, based on both megascopic 

 and microscopic examination, from sampling locations shown in Figure 2. Sedi- 

 ment color is based on dry samples. 



Tabl 



Sediment names are based on the following Wentworth classifications fsee 

 el): 



Sediment 



Size (mm) 





Phi 



Gravel 



>2 





<-l 



Very coarse sand 



1.0 to 2.0 







to -1 



Coarse sand 



0.5 to 1.0 



1 



to 0- 



Medium sand 



0.25 to 0.5 



2 



to 1- 



Fine sand 



0.125 to 0.25 



3 



to 2- 



Very fine sand 



0.0625 to 0,125 



4 



to 3- 



Silt and mud 



<0.0625 





>4 



Sorting terms 



Very well sorted 







0.35 



Well sorted 







0.50 



Moderately well sorted 





0.80 



Moderately sorted 







1.40 



Poorly sorted 







2.00 



Very poorly sorted 







2.60 



Extremely poorly s 



orted 



— .... . — 







