Record Dry 

 VJeight; Burn 

 off Carbonates 

 @1000°C for 1 hr 



Calculate pet 

 Carbonates 



Obtain Organic 

 Matter and 

 Carbonate 

 Aliquots 



Dry Aliquots in 

 Tared Crucibles 

 @ 100°C for 24 

 hr 



Record Dry Weight 

 Burn sample @ 

 500°C for 1 hr 



Record Ash-Free 

 Dry Weight; 

 Calculate pet 

 Organic Matter 



Collect 

 Samples 



Record 



Field 



Data 



Freeze Samples 

 Until Processing 



Salt Removal; Wash 

 with Distilled Water; 

 Allow Sample to Settle; 

 Siphon off Water 



Wet Sieve Sample 

 through a 0.063-mm 

 Sieve with Distilled 

 Water 



Allow Silt-Clay 

 to Settle; Siphon 

 off Water 



Dry Silt-Clay 

 Fraction in Tared 

 Jar for 72 hr 

 @ 100°C 



Record Dry 

 Weight of Silt- 

 Clay Fraction 



Dry Sand 

 Fraction @ 

 100°C for 

 24 hr 



Dry Sieve Sand 

 Fraction on 

 Mechanical 

 Sieve Shaker 

 (30 min) 



Weigh 

 Each 

 Fraction ' 



Determine 

 Grain- 

 Size 

 Distribution 



Figure 2. Schematic of sediment analysis procedures. 



