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Characterization of permeability distributions in six lithofacies from the Helsby and Wilmslow sandstone formations of the Cheshire Basin, UK

Bloomfield, J.P.; Moreau, M.F; Newell, A.J.. 2006 Characterization of permeability distributions in six lithofacies from the Helsby and Wilmslow sandstone formations of the Cheshire Basin, UK. In: Barker, R.D.; Tellam, J.H., (eds.) Fluid flow and solute movement in sandstones : the onshore UK Permo-Triassic red bed sequence. London, Geological Society of London, 83-101. (Special Publication, 263).

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Abstract/Summary

The lithofacies and permeability structure of the Abbey Wood borehole, near Delamere, Cheshire, UK, have been investigated so that permeability distributions can be established for characteristic sandstone lithofacies in the Permo-Triassic sandstone aquifer. The borehole penetrates the Helsby Sandstone and Wilmslow Sandstone formations and six major facies (coarse- and fine-grained fluvial channel fill sandstones, sandy sabkha, sand sheet and dune aeolian sandstones, and a massive sandstone facies) and one minor lithofacies, a mudstone facies, have been identified. The permeability distributions for each lithofacies show subtle systematic differences. The two fluvial sandstone facies and the massive sandstone facies have systematically lower permeabilities than the aeolian sandstones, and within the aeolian sandstones the sand sheet and dune sandstones appear to be systematically more permeable than the sabkha facies. Statistical tests on the permeability distributions of each facies indicate that the distributions are statistically distinct and so support the lithofacies classification.

Item Type: Publication - Book Section
Programmes: BGS Programmes > Groundwater Management
Additional Keywords: Cheshire, Sandstones, GroundwaterBGS, Groundwater, Aquifer characterisation, Major aquifer
NORA Subject Terms: Hydrology
Related URLs:
Date made live: 28 Aug 2007 11:25
URI: http://nora.nerc.ac.uk/id/eprint/860

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