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Progress in Earth and Planetary Science
Fig. 2 | Progress in Earth and Planetary Science

Fig. 2

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

Fig. 2

Enlarged example of a friction curve showing the step changes of slip velocity. The velocity dependence of steady-state friction (a – b), as determined from Eq. (2), is represented by the difference between the parallel steady-state trend lines immediately before and after velocity step changes. In these analyses, we used long trend of the friction curve, not only the portion immediately before and after the step change

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