Glacial ice and related sediments

Groundwater in glacial deposits often contains high concentrations of arsenic (more than 10 pgL-1 Table 3.13). The presence of abundant fine-grained materials and organic carbon in glacial sediment 

Clay (glacial) Lower Illinois River Basin, Illinois, USA 7.2-83 Warner (2001) 

Loess along Huang He (Yellow) River, China 10.4 (average) 25 (maximum) Huang et al. (1988), 83 

Loess La Pampa province, Argentina (45 samples) 3-18 Smedley et al. (2005) 

Loess Tafi del Valle, Tucuman, 43 Warren, Burgess and Garcia 

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