REE fractionation in the rivers of eastern and southern Sikhote Alin with natural and anthropogenic anomalies

The behavior of REE in the rivers of eastern and southern Sikhote Alin (Primorye) is discussed. The high-resolution ICP-MS (HR-ICP-MS) technique is used for determining the REE concentrations and degree of REE fractionation in the background unpolluted rivers and in the Rudnaya River, affected by mining industry waste products. In addition, water streams from tailing storages (Dal’negorsk) and from the rivers of Vladivostok are subjected to study. It is shown that the studied rivers differ from each other in the studied parameters and in migration forms. These differences are explained by the different degrees of chemical denudation of rocks in their drainage areas by and anthropogenic impacts on the surface water streams.