These volumes in the now standard Geochemical Atlas (43 × 30 cm) format cover the whole of Wales and a proportion of the West Midlands of England (as far E as Manchester in the north and Gloucester in the south). The atlas reporting analyses of stream-water samples is the first to present multi-element data for stream water, giving pH, conductivity for five anions, and 20 major and trace elements. The companion volume of the same area is based on the more conventional stream-sediment analysis. Both volumes open with a chapter on methodology, followed by fairly detailed description of the geology...

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