publication . Doctoral thesis . 2002

Structural and Lithological Controls upon Fluid Migration within the Chalk and Upper Greensand Aquifers in the Chilterns and Lambourn Downs

Thompson, Sally;
Open Access English
  • Published: 01 Jan 2002
  • Country: United Kingdom
Abstract
The influence of lithological heterogeneities, structural discontinuities and discontinuity surface mineralisation upon groundwater migration within the Chalk and the Upper Greensand of southern England has been investigated. Lithological heterogeneities in the Chalk succession include marl seams, hardgrounds, tabular flints and nodular flints. Each of these heterogeneities has a lower intrinsic porosity and permeability than in the calcite rich chalk. The influence that each of these heterogeneities exerts upon groundwater flow is assessed in relation to the porosity and permeability of the Chalk. Clay minerals, iron oxide and dendrites of manganese hydroxide a...
Subjects
free text keywords: Faculty of Science\Earth Sciences
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