Carbonate free bulk analysis from IODP Core 339-U1389A-25X

Grain-size statistical parameters were calculated using Gradistat software (Blott and Pye, 2001) and based on the geometric graphical method (Folk and Ward, 1957). The same samples were then treated to remove the biogenic carbonate and siliceous components, and re-analysed with the laser micro-granulometer, with a view to determining the sortable silt component.

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