Figure 7. Electrical image across the vertical fracture with aperture of 6 mm between the comparatively lower resistivity quartzite rock block

From

Experimental Study of Electrical Resistivity to Rock Fracture Intensity and Aperture Size

Amadu Casmed Charles, Gawu Simon K.Y, Abanyie K. Samuel

International Journal of Physics. 2018, 6(3), 85-92 doi:10.12691/ijp-6-3-4