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Table T1. Results from laboratory permeability tests and grain-size analyses, Expedition 344.

Core, section, interval (cm) Top
depth (mbsf)
Lithostratigraphic unit description Shipboard porosity (%) Est. in situ
effective
stress
(MPa)
Effective stress during testing (MPa) B-test results
(%)
Porosity during testing
(%)
Number of
flow tests
Permeability
(m2)
Permeability
standard deviation (m2)
Grain size (wt%)
Sand Silt Clay
344-U1380C-
3R-4 453.07 Silty clay with fine sandstone 49.3 3.82 0.28 93 47.0 2 7.58E–19 4.64E–20 3 38 59
12R-1 536.38 Silty clay with fine sandstone 45.9 4.56 0.14 95 44.7 3 1.21E–17 4.37E–20 2 29 69
12R-1 536.38 Silty clay with fine sandstone 45.9 4.56 0.34 95 42.0 3 2.34E–18 5.10E–20 2 29 69
12R-1 536.38 Silty clay with fine sandstone 45.9 4.56 0.55 95 38.0 4 1.41E–18 2.79E–20 2 29 69
25R-1 661.48 Clayey siltstone with medium to coarse sandstone 31.6 5.88 0.21 95 28.0 5 2.98E–18 7.94E–20 NT NT NT
25R-1 661.48 Clayey siltstone with medium to coarse sandstone 31.6 5.88 0.41 95 27.0 5 2.94E–18 1.09E–19 NT NT NT
36R-1 714.50 Clayey siltstone with medium to coarse sandstone 30.8 6.49 0.21 95 28.0 4 1.94E–18 5.30E–20 NT NT NT
36R-1 714.50 Clayey siltstone with medium to coarse sandstone 30.8 6.49 0.41 95 26.0 4 1.10E–18 4.97E–20 NT NT NT
49R-1 779.04 Silty claystone with fine sandstone 32.4 7.21 0.14 NT 31.0 2 1.56E–18 4.35E–20 3 31 66
49R-1 779.04 Silty claystone with fine sandstone 32.4 7.21 0.28 NT 30.0 4 6.99E–19 4.57E–20 3 31 66
49R-1 779.04 Silty claystone with fine sandstone 32.4 7.21 0.41 NT 29.0 3 5.42E–19 3.26E–20 3 31 66
344-U1381C-
4H-2 30.00 Silty clay 74.9 0.11 0.14 NT 71.0 3 5.43E–17 1.01E–19 1 22 77
4H-2 30.00 Silty clay 74.9 0.11 0.34 NT 64.0 3 2.19E–17 5.51E–20 1 22 77
4H-2 30.00 Silty clay 74.9 0.11 0.55 NT 69.0 3 1.26E–17 3.59E–19 1 22 77
7H-4 61.35 Foraminiferal nannofossil-rich calcareous ooze with spicules 80.6 0.24 0.21 98 78.0 4 1.26E–15 8.89E–18 NT NT NT
7H-4 61.35 Foraminiferal nannofossil-rich calcareous ooze with spicules 80.6 0.24 0.41 98 78.0 7 1.32E–15 9.79E–18 NT NT NT
10H-3 88.40 Foraminiferal nannofossil-rich calcareous ooze with spicules 78.3 0.32 0.14 90 77.0 3 8.78E–16 3.20E–18 5 25 70
10H-3 88.40 Foraminiferal nannofossil-rich calcareous ooze with spicules 78.3 0.32 0.34 90 78.0 3 5.55E–16 1.42E–18 5 25 70
10H-3 88.40 Foraminiferal nannofossil-rich calcareous ooze with spicules 78.3 0.32 0.55 90 78.0 3 4.50E–16 1.29E–18 5 25 70
344-U1412C-
6R-5 344.29 Clayey siltstone to claystone 49.9 2.40 0.14 NT 49.0 3 3.99E–18 2.64E–20 3 27 70
6R-5 344.29 Clayey siltstone to claystone 49.9 2.40 0.34 NT 48.0 3 1.23E–18 1.68E–20 3 27 70
6R-5 344.29 Clayey siltstone to claystone 49.9 2.40 0.55 NT 47.0 3 6.30E–19 1.46E–20 3 27 70
344-U1412D-
3R-4 362.27 Clayey siltstone to claystone 49.3 2.53 0.21 92 48.0 3 8.28E–17 1.20E–19 NT NT NT
3R-4 362.27 Clayey siltstone to claystone 49.3 2.53 0.41 92 47.0 3 7.81E–17 1.06E–19 NT NT NT
344-U1413A-
17H-1 130.81 Calcareous clayey silt/stone and minor sand/stone 55.0 0.86 0.14 93 51.0 3 5.15E–17 4.61E–19 8 39 53
17H-1 130.81 Calcareous clayey silt/stone and minor sand/stone 55.0 0.86 0.34 93 55.0 3 1.75E–17 7.85E–20 8 39 53
17H-1 130.81 Calcareous clayey silt/stone and minor sand/stone 55.0 0.86 0.55 93 51.0 3 1.20E–17 6.34E–20 8 39 53
344-U1413C-
14R-3 298.68 Calcareous clayey silt/stone and minor sand/stone 44.6 2.43 0.21 93 43.0 5 1.75E–18 6.00E–20 NT NT NT
14R-3 298.68 Calcareous clayey silt/stone and minor sand/stone 44.6 2.43 0.41 93 42.0 4 1.41E–18 7.16E–20 NT NT NT
30R-3 452.99 Fine to medium sandstone and siltstone 41.9 3.86 0.14 NT 40.0 3 1.44E–18 5.85E–20 3 41 56
30R-3 452.99 Fine to medium sandstone and siltstone 41.9 3.86 0.28 NT 39.0 3 6.16E–19 2.27E–20 3 41 56
30R-3 452.99 Fine to medium sandstone and siltstone 41.9 3.86 0.41 NT 38.0 3 6.04E–19 3.09E–20 3 41 56
41R-3 559.61 Fine to medium sandstone and siltstone 39.5 4.88 0.14 NT 39.0 3 2.64E–18 5.30E–20 9 36 55
41R-3 559.61 Fine to medium sandstone and siltstone 39.5 4.88 0.28 NT 38.0 3 1.30E–18 4.34E–20 9 36 55
41R-3 559.61 Fine to medium sandstone and siltstone 39.5 4.88 0.41 NT 32.0 3 1.74E–18 5.32E–20 9 36 55
344-U1414A-
10H-1 79.30 Calcareous nannofossil-rich clay 75.6 0.33 0.21 93 75.0 3 3.04E–17 6.11E–20 2 23 75
10H-1 79.30 Calcareous nannofossil-rich clay 75.6 0.33 0.41 93 75.0 3 2.97E–17 6.09E–20 2 23 75
19H-1 163.41 Nannofossil-rich calcareous ooze 64.0 0.73 0.21 92 59.0 3 9.30E–18 3.59E–20 NT NT NT
19H-1 163.41 Nannofossil-rich calcareous ooze 64.0 0.73 0.41 92 58.0 3 8.99E–18 3.58E–20 NT NT NT
36R-1 313.11 Calcareous and siliceous cemented silt- and sandstone 50.8 1.67 0.14 85 50.0 3 9.30E–17 3.22E–18 19 22 59
36R-1 313.11 Calcareous and siliceous cemented silt- and sandstone 50.8 1.67 0.34 85 47.0 3 5.27E–17 1.48E–15 19 22 59
36R-1 313.11 Calcareous and siliceous cemented silt- and sandstone 50.8 1.67 0.55 85 47.0 3 7.06E–17 1.06E–15 19 22 59
44R-1W, 53–55 370.33 Calcareous and siliceous cemented silt- and sandstone 33.3 2.20 0.41 60 33.0 4 8.84E–18 6.80E–20 NT NT NT

All permeability values are for the vertical direction, with the exception of minicore Sample 344-U1414A-44R-1W, 53–55 cm, in which flow was parallel to the sample’s bedding planes. Lithostratigraphic unit descriptions from Harris et al. (2013). NT = not tested.

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