Chemical analysis of trace metals in sediments, pore waters, and animal tissues

Abstract

From the Conclusions: “Barium concentrations in sediments and sediment traps located within several kilometers of Platform Hidalgo increased during 1987 and 1988 due to drilling activities at three platforms in the area. Following termination of drilling, the barium concentrations decreased at these stations. Barium profiles in sediment cores indicate drilling fluid is mixed to a depth of 6–8 cm in the sediment. The tissue chemistry data are highly variable. However, in Pleurobranchia, there appears to be occasional barium contamination that is related to drilling activity.”