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Progress in Earth and Planetary Science
Fig. 3 | Progress in Earth and Planetary Science

Fig. 3

From: Effects of frictional properties of quartz and feldspar in the crust on the depth extent of the seismogenic zone

Fig. 3

Examples of the friction curves obtained in our experiments. The friction coefficient, μ, as defined in Eq. (1), is plotted as a function of the displacement of the loading piston for quartz (red curves) and feldspar (blue curves). a Dry samples at 200 °C; b wet samples at 100 °C; c dry samples at 300 °C; d wet samples at 300 °C; e dry samples at 400 °C

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