The occurrence of groundwater in the Lower Palaeozoic rocks of upland Central Wales

@inproceedings{Neal1997TheOO,
  title={The occurrence of groundwater in the Lower Palaeozoic rocks of upland Central Wales},
  author={Charles Wade Neal and Alice J. Robson and Paul K. N. Shand and Wyndham M. Edmunds and Andrew John Dixon and David Buckley and Susie M. Hill and Middlesex Hai Harrow and Margaret Neal and Jeremy Wilkinson and Bellamy Reynolds},
  year={1997}
}
A series of boreholes of up to 50 m depth, drilled into Lower Palaeozoic mudstone, shale and greywacke bedrock in the headwater catchment areas of the River Severn at Plynlimon in Central Wales, shows an extensive chemically- and hydrologically-active shallow groundwater fracture flow system. Groundwater chemistry varies in space and time with lowest water levels and highest alkalinities occurring during the drier summer months. The groundwaters are enriched in base cations, silica, sulphate… CONTINUE READING

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