Table 2.

The connected porosity and permeability for the samples prepared from the blocks collected for this study. Permeability was measured under a confining pressure of 1 MPa (see Methods section for details). The experimental error on these measurements is <1%

Sample	Connected porosity	Permeability (m2)
M-SA1-1	0.283	4.13 × 10−12
M-SA1-2	0.230	3.61 × 10−12
M-SA1-3	0.248	3.50 × 10−12
M-SA1-4	0.227	4.02 × 10−12
M-SA1-5	0.235	3.92 × 10−12
M-SA1-6	0.240	2.59 × 10−12
M-SA1-7	0.232	4.12 × 10−12
M-SA1-8	0.240	3.88 × 10−12
M-SA1-9	0.284	5.66 × 10−12
M-SA1-10	0.238	4.00 × 10−12
M-SA1-11	0.271	5.27 × 10−12
M-SA2-1	0.086	3.18 × 10−18
M-SA2-2	0.082	1.26 × 10−17
M-SA2-3	0.087	4.00 × 10−18
M-SA2-4	0.080	3.23 × 10−18
M-SA2-5	0.079	5.84 × 10−18
M-SA2-6	0.084	2.01 × 10−17
M-SA2-7	0.077	6.15 × 10−18
M-SA2-8	0.088	1.58 × 10−16
M-SA2-9	0.078	5.70 × 10−18
M-SA2-10	0.083	2.08 × 10−17
M-HA2-1	0.185	8.94 × 10−16
M-HA2-2	0.182	1.31 × 10−14
M-HA2-3	0.192	8.71 × 10−17
M-HA2-4	0.215	1.34 × 10−14
M-HA2-5	0.233	1.75 × 10−13
M-HA2-6	0.220	6.62 × 10−15
M-HA2-7	0.188	7.16 × 10−16
M-HA2-8	0.163	2.31 × 10−16
M-HA2-9	0.242	2.41 × 10−14
M-HA2-10	0.263	1.64 × 10−13
M-HA2-11	0.168	2.37 × 10−16
M-HA1-1	0.159	4.07 × 10−15
M-HA1-2	0.152	4.86 × 10−17
M-HA1-3	0.176	5.99 × 10−16
M-HA1-4	0.154	7.81 × 10−15
M-HA1-5	0.182	8.93 × 10−14
M-HA1-6	0.144	1.54 × 10−16
M-HA1-7	0.155	9.35 × 10−15
M-HA1-8	0.160	1.56 × 10−14
M-HA1-9	0.162	2.05 × 10−14
M-HA1-10	0.182	2.11 × 10−13
M-U-1	0.081	2.73 × 10−17
M-U -2	0.087	4.16 × 10−17
M-U -3	0.083	1.41 × 10−16
M-U -4	0.080	8.50 × 10−17
M-U -5	0.080	2.47 × 10−17
M-U -6	0.085	3.18 × 10−16
M-U -7	0.083	2.17 × 10−17
M-U -8	0.079	2.54 × 10−17
M-U -9	0.075	2.70 × 10−17
M-U -10	0.080	2.23 × 10−17
M-2006-1	0.119	1.84 × 10−14
M-2006-2	0.136	6.99 × 10−14
M-2006-3	0.124	8.77 × 10−15
M-2006-4	0.142	2.14 × 10−13
M-2006-5	0.118	1.49 × 10−14