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Acidic leacliate, limestone goaf: Hydrogeocheinical observations and predictions for remediation planning at Blenkinsopp Colliery, Northumberland (UK)

Lookup NU author(s): Professor Paul Younger


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Hydrogeochemical investigations of the water encountered underground during the working of Blenkinsopp Colliery, Northumberland (UK), revealed the presence of highly heterogeneous water quality. It emerged that specific qualities of water were logically related to details of the flowpaths the waters were known to have taken to reach the accessible sampling points. Working from this information, and taking into account observations of mineralogical and mining engineering aspects of the workings, a conceptual model was developed which assisted in predicting the likely geoenvironmental response of the colliery to abandonment and flooding. On the basis of this conceptual model, estimates were made of the time required for the workings to flood to surface, and of the water quality likely to be encountered after decant of water to the surface environment, providing the basis for planning remedial interventions. This case study illustrates the importance of taking mining practices into account when developing hydrogeochemical conceptual models for such deep mine systems.

Publication metadata

Author(s): Younger PL

Editor(s): Young, RN; Thomas, HR

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Geoenvironmental Engineering: Integrated Management of Groundwater and Contaminated Land - Fourth British Geotechnical Association Conference

Year of Conference: 2005

Pages: 367-374

Publisher: London: Thomas Telford

Library holdings: Search Newcastle University Library for this item

ISBN: 0727732773