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Crushed Gravel With Minimum Resistivity Of Ohm Meter

Thus to calculate the overall electrical resistivity of a rock, we must consider the individual resistivities and then compute the overall electrical resistivity. Consider a sandstone saturated with salt water. The grains are quartzite and have a high resistivity ( 1000 ohm-m). In contrast, the pore fluid is conductive (~1 ohm …

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