Paleo-stress orientations and magnitudes from triaxial testing and stress inversion analysis in Nankai accretionary prism sediments

Progress in Earth and Planetary Science

Table 1 Sample list, settings of laboratory tests, and internal friction results. Data of core samples C0001E11H-1, C0006E8H-1, and C0008A9H-3 are taken from Stipp et al. (2013)

Sample	Depth (mbsf)	Porosity (%)	Single compression tests			Pressure stepping compression tests
Sample	Depth (mbsf)	Porosity (%)	Confining pressure	Fluid pressure	Slope at critical stage	Confining pressure	Fluid pressure at initial compaction	Slope at critical state
C0001E6H-1	43.01	62.1	700 kPa	450 kPa	0.56	500 kPa, 750 kPa and 1000 kPa	300 kPa	0.68
C0001E11H-1	90.62	61.7	1000 kPa	300 kPa	0.68	400 kPa, 700 kPa and 1000 kPa	300 kPa	0.57
C0006E8H-1	48.23	48.9	1000 kPa	300 kPa	0.76	400 kPa, 700 kPa and 1000 kPa	300 kPa	0.81
C0008A9H-3	76.06	52.2	1000 kPa	300 kPa	0.57	400 kPa, 700 kPa and 1000 kPa	300 kPa	0.68
C0008C11H-3	83.09	60.0	700 kPa	300 kPa	0.69	500 kPa, 750 kPa and 1000 kPa	400 kPa	0.81

The results for samples C0001E11H-1, C0006E8H-1, and C0008A9H-3 are taken from Stipp et al. (2013)