Figure 1

Variation of electrical conductivity (a) and effective viscosity (b) with depth for various water contents (10 to 2000 ppm) through the Gardés relationship19. The color is proportional to depth and thus, temperature.

Variation of electrical conductivity (a) and effective viscosity (b) with depth for various water contents (10 to 2000 ppm) through the Gardés relationship19. The color is proportional to depth and thus, temperature.