Researchers studying sediment cores recovered from mainland ... lead was released into the atmosphere as a byproduct of smelting ore for copper and silver. The toxic metal later condensed as ...

The McArthur River mineralisation comprises a giant sediment-hosted zinc-lead-silver deposit characterised by eight ore lenses within the Barney Creek Formation, separated by breccias and ...

It is one of the world's biggest and most studied sediment-hosted base metal deposits, owing to its lack of deformation and preservation of sedimentary and ore textures. Anomalous trace elements ...