The Utility of Magnetic Properties as a Proxy for Mapping Contamination in Hamilton Harbour Sediment

Rapid, non-destructive, magnetic-property measurements are useful as a proxy for contamination in sediment, and as an indicator of disturbed sediments. Magnetic-property measurements on sub-samples from sediment cores taken from Hamilton Harbour define a boundary marked by a sharp increase in magnetic mineral content. At this boundary magnetic susceptibility (κ) increases by at least one order of magnitude. Confirmation that this represents the …