School of Earth Sciences - Theses

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    Exploring the source attribution of environmental Pb – development of a continental-scale Pb isotope regolith map of Australia
    Desem, Candan Ulgen ( 2021)
    The element Pb is a particularly useful tracer as it is both a toxin of environmental concern and is often associated with mineralisation. As a result, Pb concentration data are often collected as part of environmental contamination and mineral exploration studies. Pb isotopic analysis, however, offers an important advantage in discriminating between different sources of Pb. The Pb-isotopic signature of regolith is a function of contributions from bedrock geology (including mineralisation) and exogenous inputs such as windblown dust, groundwater and anthropogenic contamination (industry, mine wastes, paints, transport,