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Non-destructive porosity determinations of Antarctic marine sediments derived from resistivity measurements with an inductive method

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Citation:
Gerland, S. , Richter, M. , Villinger, H. and Kuhn, G. (1993): Non-destructive porosity determinations of Antarctic marine sediments derived from resistivity measurements with an inductive method , Marine Geophysical Researches, 15 (3), pp. 201-218 .
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Abstract:

The fractional porosity of marine sediments is one of the fundamental index properties of rocks. For the determination of porosity a nondestructive, inductive method was used on unsplit sediment cores. The results were compared with galvanically measured resistivities using a miniature Wenner array on split cores. The measurements agree well except for cores with high clay content where measurement frequency related effects cause a resistivity difference of about 10%. Porosities were derived from resistivities using a published resistivity-porosity relationship by Boyce (1968) and compared with sample porosities. A comparison of both data sets shows good agreement.

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