Abstract
GEOCHEMICAL reconnaissance by stream sediment sampling of 3,000 square miles in the Midlands, North Wales and South-west England disclosed extensive areas characterized by abnormally high molybdenum contents of 5–60 p.p.m. compared with normal background of <2 p.p.m. The technique used was similar to that applied in Eire1, and in view of the association of selenium and molybdenum in that country, a selection of the British samples was also analysed for selenium. The results showed selenium to be present in stream sediments in each of the anomalous molybdenum areas, with maximum values ranging from 3.8 to 9.0 p.p.m. selenium compared with the normal background of <0.2 p.p.m. (Table 1).
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WEBB, J., THORNTON, I. & FLETCHER, K. Seleniferous Soils in Parts of England and Wales. Nature 211, 327 (1966). https://doi.org/10.1038/211327a0
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DOI: https://doi.org/10.1038/211327a0
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