Riverine sediment geochemistry and its dispersal pattern on the western Sunda Shelf

Table 1: Sample locations, trace element concentrations (ppm), and Sr-Nd isotopes of the sediments analyzed in this study.

Table 2: Published Sr-Nd isotopic ratios on Sunda Shelf and South China Sea (SCS).

Fig. 1 Normalized REE diagram of Sunda Shelf sediments with multiple references. 

Fig. 2 Corrected Eu values versus Ba/Sm ratios. The δEu ratios in this study were corrected for Ba16O+ interferences by the formula given by Dulski (1994). After the correction, the corrected ratios show only a weak correlation with Ba/Sm ratios.

Fig. 3 Correlation between δEu and Th concentrations of Pahang and Kelantan river sediments.

Fig. 4 Correlation between Rb/Sr ratio and 87Sr/86Sr ratios in sediment samples.

Fig. 5 Correlation between (A) 87Sr/86Sr ratios and grain sizes (Mz), and (B) ɛNd and grain sizes (Mz) in Pahang, Kelantan, Rajang and Mekong river sediments