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Sandstone weathering, Electrical Resistivity Tomography, and the deterioration of San Rock Art in the Golden Gate Highlands National Park, South Africa

Abstract:

Electrical Resistivity Tomography (ERT) is a novel technique which can be used to build up a 2D pseudo-section of resistivity distribution of a porous material. Here, it is used to visualise internal moisture regimes by measuring the resistivity distribution of transects within sandstone, inferring that high resistivity equals low moisture content and vice versa. This method was used to perform two intermediate complexity laboratory tests; the first one to determine high-resolution, multi-...

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Institution:
University of Oxford
Research group:
Oxford Rock Breakdown Laboratory
Oxford college:
St Cross College
Department:
Social Sciences Division - Environment,Centre for the - Geography,School of

Contributors

Role:
Supervisor
Publication date:
2011
Type of award:
DPhil
Level of award:
Doctoral
Awarding institution:
Oxford University, UK
URN:
uuid:e73c62d5-5dbb-4fb9-abe5-3de53efe5ced
Local pid:
ora:6287

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