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Table 1 List of experiments, conditions and key data

From: The roles of quartz and water in controlling unstable slip in phyllosilicate-rich megathrust fault gouges

Experiment Material (ill%/qtz%) σneff(MPa) T(°C) P f (MPa) V(μm/s) Final μ Final gouge thickness (mm) Final shear displacement (mm) Final γ Stick-slip (Y/N)
RSRS73a 65/35 170 150 100 10-100-10-1-10-100-10 0.68 0.62 39.9 64 N
RSRS07a 65/35 170 200 100 10-100-10-1-10-100-10 0.79 0.46 49.2 49 N
RSRS16a 65/35 170 250 100 10-100-10-1-10-100-10 0.69 0.59 40.1 68 N
RSRS09a 65/35 170 300 100 10-100-10-1-10 0.77 0.23 23.6 102 Y, at 1 and 10 μm/s
RSRS38a 65/35 170 350 100 10-100-10-1-10-100 0.81 0.64 33.9 53 Y, at 10 and 100 μm/s
RSRS39a 65/35 170 400 100 10-100-10-1-10-100 0.89 0.48 35.0 73 Y, at 10 and 100 μm/s
RSRS40a 65/35 170 450 100 10-100-10-1-10-100-10 0.91 0.52 40.6 78 N
RSRS43a 65/35 170 500 100 10-100-10-1-10-100-10 0.95 0.66 47.5 72 Nd
RSRS65a 65/35 170 200 Dry 10-100-10-1-10-100-10 0.75b 0.68 40.2 59 N
RSRS64a 65/35 170 350 Dry 10-100-10-1-10-100-10 0.84b 0.80 40.3 50 N
RSRS66 65/35 170 500 Dry 10-100-10-1-10-100 0.74c 0.74 30.9 42 Y, at 10 and 100 μm/sd
RSRS86 65/35 170 500 Dry 10-100-10-1-10-100 0.51c 0.88 26.7 11 Y, at 10 and 100 μm/s
RSI1 94/6 170 200 100 10-100-10-1-10-100-10 0.53 0.80 40.1 50 N
RSI2 94/6 170 350 100 10-100-10-1-10-100-10 0.69 0.69 38.6 56 Y, at 10 and 100 μm/s
RSI3 94/6 170 500 100 10-100-10-1-10-100-10 0.74 0.58 40.2 69 Y, at 100 μm/s
  1. σneff = effective normal stress; T = temperature; P f  = pore fluid pressure; V = sliding velocity; μ = coefficient of friction defined as μ = τ / σneff and γ = shear strain. aReported previously by Den Hartog et al. (2012a); bslightly different values than reported in Den Hartog et al. (2012a) due to improved corrections; cthese values are affected by vigorous stick-slip behaviour; doscillations just after the (apparent) yield point.